12 Days of Christmas
761
24 Game
291
99 Bottles of Beer
599
Abundant Numbers
591
Abundant Numbers (Long)
703
Arabic to Roman
447
Arithmetic Numbers
633
Arrows
289
Ascending Primes
324
ASCII Table
459
Card Number Validation
468
Catalan Numbers
492
Catalan’s Constant
118
Christmas Trees
616
Collatz
682622693
829731791801
753
CSS Colors
172
Day of Week
798
Divisors
744
688551555890
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
715
854667915368
Foo Fizz Buzz Bar
710
889663
Forsyth–Edwards Notation
422
Fractions
615
Happy Numbers
446
Happy Numbers (Long)
510
Hexdump
408
522
Intersection
451
Inventory Sequence
505
ISBN
620
Jacobi Symbol
424
Kolakoski Constant
71
Kolakoski Sequence
25
Leap Years
597
Leyland Numbers
567
ln 2
51
Look and Say
666
Lucky Numbers
569
Lucky Tickets
357
Maze
196178242
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
497626459527
PalindromemordnilaP
731
Pangram Grep
745
Pascal’s Triangle
378
Pernicious Numbers
331
Pernicious Numbers (Long)
417
Polyominoes
189
Prime Numbers
404
Prime Numbers (Long)
432
Quine
946857
Recamán
537
Repeating Decimals
315
Rijndael S-box
89
Rock-paper-scissors-Spock-lizard
266
Roman to Arabic
502
ROT13
430
Seven Segment
355
Sierpiński Triangle
444
Smith Numbers
447
Spelling Numbers
301
Sudoku
295
Sudoku (Fill-in)
153
Time Distance
422
458
Tongue-twisters
498
Transpose Sentence
516
265642
United States
128
Vampire Numbers
354
Van Eck Sequence
607
Zeckendorf Representation
373
470728502
γ
74
λ
159
π
63
τ
62
φ
600
√2
48
𝑒
46