12 Days of Christmas
906
Abundant Numbers
785
Abundant Numbers (Long)
931
Arithmetic Numbers
923
Christmas Trees
836
Collatz
913
Diamonds
638
Divisors
801984
Evil Numbers
873
Evil Numbers (Long)
851
Factorial Factorisation
723
Fibonacci
935786
Fizz Buzz
944
977
Fractions
907
Intersection
802
Leap Years
831
Look and Say
713
Niven Numbers
866
Niven Numbers (Long)
889
Odious Numbers
852
Odious Numbers (Long)
849
Pascal’s Triangle
924
Pernicious Numbers
767
Prime Numbers
892
Prime Numbers (Long)
952
ROT13
916
Set
880
Smith Numbers
790
Star Wars GPT
810
Tic-tac-toe
732
λ
159