12 Days of Christmas
626
99 Bottles of Beer
736
Abundant Numbers
817
645
Abundant Numbers (Long)
914
714
Arabic to Roman
696
Arithmetic Numbers
817
Arrows
253
619
401
436
339
Ascending Primes
591
ASCII Table
721
Card Number Validation
602
Catalan Numbers
881
Christmas Trees
731
Collatz
485587789667932761551788478505930622782753561722743507648667784771410731967724608470818821755796583656734655671805416628800572
907667737603632
Day of Week
588
Diamonds
406
642
276
Divisors
898
Emirp Numbers
391422
497
Emirp Numbers (Long)
715
786
Emojify
461
Evil Numbers
576562
817
432
Evil Numbers (Long)
836
Factorial Factorisation
504
Farey Sequence
372
Fibonacci
966
Fizz Buzz
1,000
Foo Fizz Buzz Bar
992
Fractions
804
Happy Numbers
533544
634
631
Happy Numbers (Long)
910
Intersection
836
Inventory Sequence
725
ISBN
392
425
524
841
Kaprekar Numbers
750
Kolakoski Constant
631
Kolakoski Sequence
557
Leap Years
863
Leyland Numbers
859
ln 2
631
Look and Say
611
254
Lucky Numbers
556
565
Mandelbrot
714
Medal Tally
640
Minesweeper
368
46
642
Niven Numbers
985
Niven Numbers (Long)
806
Number Spiral
345
Odious Numbers
857
Odious Numbers (Long)
873
Pascal’s Triangle
830
776
Pernicious Numbers
556523
789
Pernicious Numbers (Long)
925
Prime Numbers
868
Prime Numbers (Long)
922
Quine
1,000
969
Recamán
769
Repeating Decimals
593
Rock-paper-scissors-Spock-lizard
468628
ROT13
701
Set
691
Sierpiński Triangle
602
Smith Numbers
871
Spelling Numbers
648
Ten-pin Bowling
257
Time Distance
785
Tongue-twisters
410
Transpose Sentence
498
Trinomial Triangle
510
United States
761
Vampire Numbers
478
670
Van Eck Sequence
712
Zeckendorf Representation
723
π
611
τ
620
φ
917
√2
985
𝑒
813
70