12 Days of Christmas
418
Abundant Numbers
753
Abundant Numbers (Long)
825
Arithmetic Numbers
786
Christmas Trees
727
Collatz
765
Diamonds
533
Divisors
801933
Evil Numbers
873
Evil Numbers (Long)
851
Factorial Factorisation
576
Fibonacci
935786
Fizz Buzz
941
891
Fractions
772
Intersection
589
Leap Years
831
Look and Say
580
Niven Numbers
864
Niven Numbers (Long)
887
Odious Numbers
852
Odious Numbers (Long)
849
Pascal’s Triangle
856
Pernicious Numbers
767
Prime Numbers
892
Prime Numbers (Long)
952
ROT13
797
Set
633
Smith Numbers
581
Star Wars GPT
585
Tic-tac-toe
568
λ
100