12 Days of Christmas
78
99 Bottles of Beer
705
Abundant Numbers
655
730752
Abundant Numbers (Long)
862825
Arithmetic Numbers
787
Catalan Numbers
713
Catalan’s Constant
63
Christmas Trees
923583
Collatz
844
647928918828
857931
Day of Week
1,000
Diamonds
731
Divisors
764
655
906807826883
942985
Emirp Numbers
259886
Emirp Numbers (Long)
537
Evil Numbers
715619
766802719
522853
473
Evil Numbers (Long)
789
718
584832
Factorial Factorisation
76
Fibonacci
875945859
554
1,000948981960764933986606659
Fizz Buzz
784
812891
Foo Fizz Buzz Bar
826970
Fractions
688
528781
Happy Numbers
812
Happy Numbers (Long)
644
Kolakoski Sequence
669911
Leap Years
645
753847
Levenshtein Distance
363
Leyland Numbers
761539
Niven Numbers
810900741
773925928804
874918
Niven Numbers (Long)
769
860886
Odious Numbers
817
717
502852
Odious Numbers (Long)
827
716
565830
Ordinal Numbers
893
Pangram Grep
665771
Pascal’s Triangle
856
Pernicious Numbers
682
427815
Prime Numbers
604
705
699
704785
Prime Numbers (Long)
726
Quine
615
655
946
Recamán
601640
Reverse Polish Notation
800
823
Sierpiński Triangle
540
Van Eck Sequence
609
𝑒
59609881808697465543375474794437
3810367