12 Days of Christmas
445
99 Bottles of Beer
627
Abundant Numbers
793
Abundant Numbers (Long)
876
Arabic to Roman
484
Arithmetic Numbers
881
Arrows
466
ASCII Table
473
Card Number Validation
507
Catalan Numbers
344
Christmas Trees
689
Collatz
785742
CSS Colors
68
Day of Week
535
Divisors
872
Emirp Numbers
332
Emirp Numbers (Long)
562
Emojify
226
Evil Numbers
746
Evil Numbers (Long)
818
Factorial Factorisation
588
Farey Sequence
516
Fibonacci
500
574
Fizz Buzz
789
Foo Fizz Buzz Bar
735
Fractions
616
Happy Numbers
363
Happy Numbers (Long)
589
Intersection
624
ISBN
620
Kaprekar Numbers
162
Kolakoski Constant
95
Kolakoski Sequence
228
Leap Years
716
Levenshtein Distance
378
Leyland Numbers
413
ln 2
482
Morse Encoder
128
N Queens
468
Niven Numbers
780
Niven Numbers (Long)
912
Number Spiral
308
Odious Numbers
747
Odious Numbers (Long)
837
Ordinal Numbers
670
Pangram Grep
649
Partition Numbers
614738
Pascal’s Triangle
605
Pernicious Numbers
565
Pernicious Numbers (Long)
724
Prime Numbers
774
Prime Numbers (Long)
902
Quine
824
Recamán
639
Reverse Polish Notation
449
Rijndael S-box
203
Roman to Arabic
416
ROT13
432
Set
543
Seven Segment
351
Smith Numbers
552
Tic-tac-toe
312
Time Distance
583
Tongue-twisters
344
Transpose Sentence
429
United States
108104
Vampire Numbers
342
Van Eck Sequence
550
π
68
τ
69
φ
600
√2
797
𝑒
407