✅ Open
⏳ In progress
⛔ Closed
Sorted by original wikipedia table
| Status | Sequence Name | Solutions |
|---|---|---|
⏳ |
Kolakoski sequence | Python, Java |
⏳ |
Euler's totient function | C++, Java, Python |
⏳ |
Lucas numbers | Python, C++, Java |
⏳ |
Prime numbers | Python, C++, Java, Rust |
✅ |
Partition number | |
⏳ |
Fibonacci number | Python, C++, C#, C, Java, Go, Ruby, Scala, JS |
⏳ |
Sylvester's sequence | Python, Java, C++ |
⏳ |
Tribonacci number | Python, C++, C#, C, Java, Go, JS |
⏳ |
Powers of 2 | Python, C++, C#, C, Java |
✅ |
Polyominoes | |
⏳ |
Catalan number | Python, C++, Java, C |
⏳ |
Bell numbers | Python, C++, C#, Java |
⏳ |
Euler zigzag number | Python, C++, Java |
⏳ |
Lazy caterer's sequence | Python, C#, C++, Java |
⏳ |
Pell numbers | Python, Java, C++ |
⏳ |
Factorials | Python, C++, Java, Scala |
✅ |
Derangements | |
⏳ |
Divisor function | Python, C++, Mark Down, C |
⏳ |
Fermat numbers | Python, C++, Java, C# |
✅ |
Polytrees | |
⏳ |
Perfect numbers | Python, C#, C |
✅ |
Ramanujan tau function | |
✅ |
Landau's function | |
⏳ |
Narayana's cows | Python, C++, Java |
⏳ |
Padovan sequence | Python, C++, Java |
⏳ |
Euclid–Mullin sequence | Python, Java, C++ |
⏳ |
Lucky numbers | Python, C++ |
✅ |
Prime powers | |
⏳ |
Central binomial coefficients | Python, Java |
⏳ |
Motzkin numbers | Python, Java, C++ |
⏳ |
Jacobsthal numbers | Python, C++, Java |
✅ |
Sum of proper divisors | C++, Java, Python |
⏳ |
Wedderburn–Etherington numbers | Python, C++ |
⏳ |
Gould's sequence | Python, C++, Java |
✅ |
Semiprimes | |
⏳ |
Golomb sequence | Python, C++, Java |
⏳ |
Perrin numbers | Python, Java, C++ |
⏳ |
Sorting Number | Python, Java, C++ |
⏳ |
Cullen numbers | Python, C++, C#, Java |
⏳ |
Primorials | Python, Java, C++ |
✅ |
Highly composite numbers | |
✅ |
Superior highly composite numbers | |
⏳ |
Pronic numbers | Python, Java, C, C++ |
✅ |
Markov numbers | |
✅ |
Composite numbers | |
⏳ |
Ulam number | CPP, Python |
✅ |
Prime knots | |
✅ |
Carmichael numbers | |
⏳ |
Woodall numbers | C, C#, Python, Java |
⏳ |
Arithmetic numbers | Python |
✅ |
Colossally abundant numbers | |
⏳ |
Alcuin's sequence | Python, C++, C, Java |
⏳ |
Deficient numbers | Python, Java, C++ |
⏳ |
Abundant number | Python, C++, C, Java |
⏳ |
Untouchable Numbers | CPP, Python, Java |
⏳ |
Recamán's sequence | Python, Java, C++ |
⏳ |
Look-and-say sequence | Python, C++, Java |
✅ |
Practical numbers | |
⏳ |
Alternating factorial | C++, Java, Python, C |
✅ |
Fortunate numbers | |
✅ |
Semiperfect numbers | |
✅ |
Magic constant | |
✅ |
Weird numbers | |
⏳ |
Farey Sequence Numerators | Python |
⏳ |
Farey Sequence Denominators | Python, C++ |
⏳ |
Euclid numbers | Python, C#, C |
⏳ |
Kaprekar numbers | Python |
✅ |
Sphenic numbers | |
✅ |
Giuga numbers | |
✅ |
Radical of an integer | |
⏳ |
Thue–Morse sequence | C++, Java, Python |
⏳ |
Regular paperfolding sequence | C++, Java, Python |
✅ |
Blum integers | |
✅ |
Magic number | |
✅ |
Superperfect numbers | |
✅ |
Hyperperfect number | |
⏳ |
Achilles number | Python |
✅ |
Primary pseudoperfect numbers | |
✅ |
Erdős–Woods numbers | |
✅ |
Sierpinski numbers | |
✅ |
Riesel number | |
⏳ |
Baum–Sweet sequence | C++, Python |
✅ |
Gijswijt's sequence | |
⏳ |
Carol numbers | Python, C++, Java, C# |
⏳ |
Juggler sequence | Python, Java, C++ |
✅ |
Highly totient numbers | |
✅ |
Euler numbers | Python |
⏳ |
Polite numbers | Python, Java, C++ |
✅ |
Erdős–Nicolas numbers | |
✅ |
Solution to Stepping Stone Puzzle |