12 Days of Christmas
761
24 Game
239
99 Bottles of Beer
599
Abundant Numbers
591
Abundant Numbers (Long)
703
Arabic to Roman
447
Arithmetic Numbers
632
Ascending Primes
324
Card Number Validation
467
Catalan Numbers
492
Catalan’s Constant
118
Christmas Trees
616
Collatz
723
CSS Colors
172
Day of Week
798
Divisors
555890
Emirp Numbers
411
Emirp Numbers (Long)
451
Emojify
262294
Evil Numbers
714
Evil Numbers (Long)
700
Factorial Factorisation
321
Farey Sequence
396
Fibonacci
934
Fizz Buzz
793
914368
Foo Fizz Buzz Bar
710
889663
Fractions
614
Happy Numbers
446
Happy Numbers (Long)
510
Hexdump
493
Intersection
451
ISBN
551
Jacobi Symbol
424
Kolakoski Constant
71
Kolakoski Sequence
25
Leap Years
597
Leyland Numbers
567
ln 2
51
Look and Say
666
Lucky Numbers
579
Lucky Tickets
345
Morse Decoder
99
Morse Encoder
108
N Queens
360
Niven Numbers
646
Niven Numbers (Long)
708
Number Spiral
208
Odious Numbers
739
Odious Numbers (Long)
724
Ordinal Numbers
497597459224
PalindromemordnilaP
731
Pangram Grep
745
Pascal’s Triangle
378
Pernicious Numbers
331
Pernicious Numbers (Long)
417
Polyominoes
196
Prime Numbers
404
Prime Numbers (Long)
432
Quine
946857
Recamán
480
Repeating Decimals
315
Rijndael S-box
89
Roman to Arabic
502
Seven Segment
355
Sierpiński Triangle
444
Spelling Numbers
301
Time Distance
448
Tongue-twisters
498
Transpose Sentence
515
265641
United States
128
Vampire Numbers
354
Zeckendorf Representation
373
470727502
φ
600