12 Days of Christmas
413
24 Game
13
99 Bottles of Beer
458
Abundant Numbers
653
Abundant Numbers (Long)
654
Alphabetic Numbers
126
Arabic to Roman
471
Arithmetic Numbers
686
Arrows
431
Ascending Primes
189
ASCII Table
542
Calendar
291
Card Number Validation
400
Catalan Numbers
10
Catalan’s Constant
63
Christmas Trees
725
Collatz
759
Continued Fractions
707
CSS Colors
772
Cubes
187
Day of Week
941
Diamonds
658
Divisors
603
Emirp Numbers
300
Emirp Numbers (Long)
494
Emojify
384
Evil Numbers
449
Evil Numbers (Long)
501
Factorial Factorisation
83
Farey Sequence
445
Fibonacci
681
Fizz Buzz
761
Foo Fizz Buzz Bar
544
Forsyth–Edwards Notation
465
Fractions
276
Gijswijt’s Sequence
25
Happy Numbers
180
Happy Numbers (Long)
292
Hexdump
244
Intersection
469
Inventory Sequence
15
ISBN
515
Kaprekar Numbers
194
Kolakoski Sequence
63
Leap Years
790
Leyland Numbers
680265
ln 2
39
Look and Say
411
Lucky Tickets
72
Mandelbrot
23
Medal Tally
476
Morse Decoder
229
Morse Encoder
233
Multitap Input
315
Niven Numbers
586
Niven Numbers (Long)
778
Number Spiral
325
Odious Numbers
421
Odious Numbers (Long)
456
Ordinal Numbers
441
PalindromemordnilaP
362
Pangram Grep
780
Partition Numbers
67
Pascal’s Triangle
560257
Pernicious Numbers
348
Pernicious Numbers (Long)
415
Polyominoes
27
Prime Numbers
650
Prime Numbers (Long)
535
Quine
276
Recamán
519
Repeating Decimals
264
Reverse Polish Notation
534
Roman to Arabic
371
ROT13
605
Rule 110
320
Scrambled Sort
494
Seven Segment
279
Sierpiński Triangle
271
Smith Numbers
41
Spelling Numbers
231
Star Wars GPT
497
Taxicab Numbers
456
Time Distance
309
Tongue-twisters
336
Topological Sort
178
Transpose Sentence
795
Trinomial Triangle
22
Ulam Sequence
379
United States
155
Van Eck Sequence
463
τ
49
√2
41
𝑒
35