12 Days of Christmas
894
99 Bottles of Beer
717
Abundant Numbers
789
661
Abundant Numbers (Long)
868
786
Arabic to Roman
646
Arithmetic Numbers
756
Arrows
291
474
330
338
274
Ascending Primes
540
ASCII Table
682
Card Number Validation
545
Catalan Numbers
804
Christmas Trees
689
Collatz
388458537734655885725540750421516846585725700590660679462590587725713397673916704575462752775696710552622703609727756440603756520
844593677547587
Day of Week
539
Diamonds
388
600
303
Divisors
856
Emirp Numbers
545534
650
Emirp Numbers (Long)
665
726
Emojify
380
Evil Numbers
556544
784
400
Evil Numbers (Long)
790
Factorial Factorisation
465
Farey Sequence
340
Fibonacci
931
Fizz Buzz
978
Foo Fizz Buzz Bar
950
Fractions
739
Happy Numbers
686635
716
751
Happy Numbers (Long)
847
Intersection
759
Inventory Sequence
660
ISBN
360
388
476
776
Kaprekar Numbers
696
Kolakoski Constant
582
Kolakoski Sequence
523
Leap Years
853
Leyland Numbers
785
ln 2
588
Look and Say
562
240
Lucky Numbers
518
518
Mandelbrot
656
Medal Tally
540
Minesweeper
327
41
570
Niven Numbers
935
Niven Numbers (Long)
793
Number Spiral
314
Odious Numbers
806
Odious Numbers (Long)
810
Pascal’s Triangle
764
726
Pernicious Numbers
521488
737
Pernicious Numbers (Long)
872
Prime Numbers
872
Prime Numbers (Long)
860
Quine
936
944
Recamán
713
Repeating Decimals
530
Rock-paper-scissors-Spock-lizard
443569
ROT13
627
Set
605
Sierpiński Triangle
563
Smith Numbers
804
Spelling Numbers
592
Ten-pin Bowling
233
Time Distance
747
Tongue-twisters
626
Transpose Sentence
438
Trinomial Triangle
454
United States
748
Vampire Numbers
439
617
Van Eck Sequence
655
Zeckendorf Representation
647
π
582
τ
581
φ
859
√2
947
𝑒
761
72