12 Days of Christmas
80
99 Bottles of Beer
711
Abundant Numbers
655
760766
Abundant Numbers (Long)
918846
Arithmetic Numbers
795
Catalan Numbers
733
Catalan’s Constant
68
Christmas Trees
961593
Collatz
877988
647992948885
962950
Day of Week
1,000
Diamonds
747
Divisors
789
694
923853845932
9701,000
Emirp Numbers
267902
Emirp Numbers (Long)
553
Evil Numbers
746654
778857740
543870
514
Evil Numbers (Long)
800
750
617854
Factorial Factorisation
78
Fibonacci
900981896
575
1,0009891,0001,0007919641,000636676
Fizz Buzz
784
824898
Foo Fizz Buzz Bar
861985
Fractions
724
575805
Happy Numbers
828
Happy Numbers (Long)
663
Kolakoski Sequence
722963
Leap Years
645
765860
Levenshtein Distance
374
Leyland Numbers
811554
Niven Numbers
845951791
773990955852
903936
Niven Numbers (Long)
769
905909
Odious Numbers
824
740
522870
Odious Numbers (Long)
833
750
596854
Ordinal Numbers
917
Pangram Grep
698792
Pascal’s Triangle
877
Pernicious Numbers
682
440833
Prime Numbers
630
727
720
737800
Prime Numbers (Long)
746
Quine
615
692
969
Recamán
629655
Reverse Polish Notation
800
868
Sierpiński Triangle
551
Van Eck Sequence
631
𝑒
6464108908593106505945395880874740
4010676