12 Days of Christmas
749
Abundant Numbers
654
Diamonds
490
Divisors
832
Fibonacci
907
Gijswijt’s Sequence
39
Hexdump
678
Kolakoski Sequence
590
Leap Years
923
N Queens
715
Niven Numbers
907427
Odious Numbers
791
Partition Numbers
705
Pernicious Numbers
705
Prime Numbers
689
Quine
369
Recamán
849
Rijndael S-box
453
Tongue-twisters
631490
Tower of Hanoi
923