12 Days of Christmas
170
99 Bottles of Beer
729
Abundant Numbers
793
736784
Abundant Numbers (Long)
871930
Arithmetic Numbers
909
Catalan Numbers
713
Catalan’s Constant
65
Christmas Trees
931670
Collatz
860936
765929921832
914950
Day of Week
1,000
Diamonds
657
Divisors
763
655
906806826882
942984
Emirp Numbers
412765
Emirp Numbers (Long)
645
Evil Numbers
729631
766809719
522853
470
Evil Numbers (Long)
789
718
584832
Factorial Factorisation
95
Fibonacci
894944858
554
1,000948981959763933986605658
Fizz Buzz
973
818977
Foo Fizz Buzz Bar
885986
Fractions
687
528686
Happy Numbers
893
Happy Numbers (Long)
759
Kolakoski Sequence
669880
Leap Years
677
755847
Levenshtein Distance
464
Leyland Numbers
762633
Niven Numbers
814936745
955928932810
884921
Niven Numbers (Long)
919
867888
Odious Numbers
817
717
502851
Odious Numbers (Long)
827
715
564830
Ordinal Numbers
848
Pangram Grep
668910
Pascal’s Triangle
923
Pernicious Numbers
682
427814
Prime Numbers
616
745
699
704784
Prime Numbers (Long)
725
Quine
615
654
946
Recamán
604709
Reverse Polish Notation
800
788
Sierpiński Triangle
578
Van Eck Sequence
643
𝑒
59619882818797485544385574794638
385572