12 Days of Christmas
168
99 Bottles of Beer
729
Abundant Numbers
793
736785
Abundant Numbers (Long)
871931
Arithmetic Numbers
910
Catalan Numbers
714
Catalan’s Constant
65
Christmas Trees
931670
Collatz
873938
765930922833
865952
Day of Week
1,000
Diamonds
657
Divisors
764
656
906807826883
942984
Emirp Numbers
412766
Emirp Numbers (Long)
645
Evil Numbers
730631
766811719
522854
473
Evil Numbers (Long)
789
719
584833
Factorial Factorisation
95
Fibonacci
895945859
554
1,000948981960764933987606659
Fizz Buzz
973
818977
Foo Fizz Buzz Bar
885986
Fractions
689
528687
Happy Numbers
893
Happy Numbers (Long)
760
Kolakoski Sequence
669880
Leap Years
677
755848
Levenshtein Distance
464
Leyland Numbers
762634
Niven Numbers
815936745
955929932811
884921
Niven Numbers (Long)
919
868889
Odious Numbers
817
717
502852
Odious Numbers (Long)
827
716
565830
Ordinal Numbers
849
Pangram Grep
668910
Pascal’s Triangle
923
Pernicious Numbers
682
427815
Prime Numbers
616
746
699
704785
Prime Numbers (Long)
726
Quine
615
655
946
Recamán
604710
Reverse Polish Notation
800
789
Sierpiński Triangle
568
Van Eck Sequence
643
𝑒
59619881818798485544385574794638
385572