12 Days of Christmas
79
99 Bottles of Beer
705
Abundant Numbers
655
730752
Abundant Numbers (Long)
862824
Arithmetic Numbers
775
Catalan Numbers
713
Catalan’s Constant
63
Christmas Trees
923583
Collatz
844933
647927917827
906930
Day of Week
1,000
Diamonds
731
Divisors
763
655
906806826883
942984
Emirp Numbers
259885
Emirp Numbers (Long)
537
Evil Numbers
715619
766801719
522853
471
Evil Numbers (Long)
789
718
584832
Factorial Factorisation
76
Fibonacci
875945858
554
1,000948981959764933986605659
Fizz Buzz
784
812891
Foo Fizz Buzz Bar
826970
Fractions
688
528781
Happy Numbers
812
Happy Numbers (Long)
644
Kolakoski Sequence
669929
Leap Years
645
753847
Levenshtein Distance
363
Leyland Numbers
761539
Niven Numbers
810900741
773925928804
873918
Niven Numbers (Long)
769
860886
Odious Numbers
817
717
502851
Odious Numbers (Long)
827
716
565830
Ordinal Numbers
893
Pangram Grep
664771
Pascal’s Triangle
855
Pernicious Numbers
682
427814
Prime Numbers
604
705
699
704785
Prime Numbers (Long)
725
Quine
615
654
946
Recamán
601640
Reverse Polish Notation
800
823
Sierpiński Triangle
540
Van Eck Sequence
609
𝑒
59609881808697465543375474794437
3810367