12 Days of Christmas
766
24 Game
251
99 Bottles of Beer
602
Abundant Numbers
600
Abundant Numbers (Long)
721
Arabic to Roman
461
Arithmetic Numbers
652
Ascending Primes
338
Card Number Validation
491
Catalan Numbers
506
Catalan’s Constant
121
Christmas Trees
626
Collatz
739
CSS Colors
180
Day of Week
833
Divisors
586
905
Emirp Numbers
420
Emirp Numbers (Long)
466
Emojify
281
300
Evil Numbers
727
Evil Numbers (Long)
719
Factorial Factorisation
333
Farey Sequence
413
Fibonacci
947
Fizz Buzz
800
921
373
Foo Fizz Buzz Bar
725
902
688
Fractions
635
Happy Numbers
456
Happy Numbers (Long)
526
Hexdump
507
Intersection
468
ISBN
569
Jacobi Symbol
444
Kolakoski Constant
73
Kolakoski Sequence
26
Leap Years
606
Leyland Numbers
584
ln 2
52
Look and Say
685
Lucky Numbers
598
Lucky Tickets
363
Morse Decoder
101
Morse Encoder
110
N Queens
377
Niven Numbers
657
Niven Numbers (Long)
725
Number Spiral
216
Odious Numbers
755
Odious Numbers (Long)
745
Ordinal Numbers
534
614
475
245
PalindromemordnilaP
769
Pangram Grep
766
Pascal’s Triangle
388
Pernicious Numbers
339
Pernicious Numbers (Long)
430
Polyominoes
209
Prime Numbers
412
Prime Numbers (Long)
444
Quine
969
893
Recamán
492
Repeating Decimals
329
Rijndael S-box
93
Roman to Arabic
519
Seven Segment
364
Sierpiński Triangle
454
Spelling Numbers
315
Time Distance
458
Tongue-twisters
501
Transpose Sentence
601
306
680
United States
131
Vampire Numbers
366
Zeckendorf Representation
425
529
767
538
φ
616