12 Days of Christmas
173
99 Bottles of Beer
733
Abundant Numbers
793
760797
Abundant Numbers (Long)
918954
Arithmetic Numbers
936
Catalan Numbers
733
Catalan’s Constant
68
Christmas Trees
961681
Collatz
890988
765992948885
962971
Day of Week
1,000
Diamonds
670
Divisors
789
694
923853845932
9701,000
Emirp Numbers
437782
Emirp Numbers (Long)
667
Evil Numbers
761667
778866740
543870
514
Evil Numbers (Long)
800
750
617854
Factorial Factorisation
99
Fibonacci
920981896
575
1,0009891,0001,0007919641,000636676
Fizz Buzz
973
824983
Foo Fizz Buzz Bar
9111,000
Fractions
724
575709
Happy Numbers
912
Happy Numbers (Long)
783
Kolakoski Sequence
722912
Leap Years
677
765860
Levenshtein Distance
481
Leyland Numbers
811652
Niven Numbers
845984791
955990955852
903936
Niven Numbers (Long)
923
905909
Odious Numbers
824
740
522870
Odious Numbers (Long)
833
750
596854
Ordinal Numbers
871
Pangram Grep
698935
Pascal’s Triangle
947
Pernicious Numbers
682
440833
Prime Numbers
642
773
720
737800
Prime Numbers (Long)
746
Quine
615
692
969
Recamán
629726
Reverse Polish Notation
800
832
Sierpiński Triangle
590
Van Eck Sequence
667
𝑒
6464108908694106515946395880874940
405676