12 Days of Christmas
350
24 Game
185
99 Bottles of Beer
342
Abundant Numbers
566
Abundant Numbers (Long)
623
Arabic to Roman
319
Arithmetic Numbers
539
Arrows
268
Ascending Primes
282
ASCII Table
361
Card Number Validation
375
Catalan Numbers
492
Catalan’s Constant
98
Christmas Trees
536
Collatz
669619690
818728786672
750
CSS Colors
75
Day of Week
640
Divisors
744
688551555844
Emirp Numbers
333
Emirp Numbers (Long)
375
Emojify
221264
Evil Numbers
714
Evil Numbers (Long)
700
Factorial Factorisation
256
Farey Sequence
349
Fibonacci
934
Fizz Buzz
712
852663835330
Foo Fizz Buzz Bar
704
706547
Forsyth–Edwards Notation
332
Fractions
523
Happy Numbers
346
Happy Numbers (Long)
432
Hexdump
405
350
Intersection
331
Inventory Sequence
477
ISBN
485
Jacobi Symbol
309
Kolakoski Constant
60
Kolakoski Sequence
25
Leap Years
596
Leyland Numbers
483
ln 2
50
Look and Say
542
Lucky Numbers
548
Lucky Tickets
271
Maze
175178179
Morse Decoder
113
Morse Encoder
124
N Queens
272
Niven Numbers
644
Niven Numbers (Long)
706
Number Spiral
170
Odious Numbers
739
Odious Numbers (Long)
724
Ordinal Numbers
492510436524
PalindromemordnilaP
597
Pangram Grep
632
Pascal’s Triangle
351
Pernicious Numbers
331
Pernicious Numbers (Long)
409
Polyominoes
138
Prime Numbers
404
Prime Numbers (Long)
432
Quine
946857
Recamán
484
Repeating Decimals
231
Rijndael S-box
64
Rock-paper-scissors-Spock-lizard
240
Roman to Arabic
380
ROT13
375
Seven Segment
259
Sierpiński Triangle
413
Smith Numbers
329
Spelling Numbers
177
Sudoku
225
Sudoku (Fill-in)
142
Time Distance
406
255
Tongue-twisters
280
Transpose Sentence
516
265511
United States
92
Vampire Numbers
262
Van Eck Sequence
575
Zeckendorf Representation
373
470531449
γ
62
λ
99
π
56
τ
56
φ
587
√2
47
𝑒
46