12 Days of Christmas
761
24 Game
282
99 Bottles of Beer
599
Abundant Numbers
591
Abundant Numbers (Long)
703
Arabic to Roman
447
Arithmetic Numbers
633
Arrows
289
Ascending Primes
325
ASCII Table
459
Card Number Validation
469
Catalan Numbers
492
Catalan’s Constant
115
Christmas Trees
616
Collatz
682609693
829732792802
754
CSS Colors
171
Cubes
370
Day of Week
799
Divisors
744
688551556890
Emirp Numbers
411
Emirp Numbers (Long)
451
Emojify
262294
Evil Numbers
714
Evil Numbers (Long)
701
Factorial Factorisation
322
Farey Sequence
438
Fibonacci
934
Fizz Buzz
715
854667915368
Foo Fizz Buzz Bar
710
890663
Forsyth–Edwards Notation
423
Fractions
615
Happy Numbers
446
Happy Numbers (Long)
510
Hexdump
395
522
Intersection
451
Inventory Sequence
505
ISBN
621
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
196179242
Morse Decoder
99
Morse Encoder
108
N Queens
361
Niven Numbers
646
Niven Numbers (Long)
708
Number Spiral
208
Odious Numbers
739
Odious Numbers (Long)
724
Ordinal Numbers
498626459528
PalindromemordnilaP
733
Pangram Grep
745
Partition Numbers
256
Pascal’s Triangle
379
Pernicious Numbers
331
Pernicious Numbers (Long)
417
Polyominoes
190
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
432
Seven Segment
355
Sierpiński Triangle
437
Smith Numbers
447
Spelling Numbers
300
Sudoku
295
Sudoku (Fill-in)
153
Time Distance
424
459
Tongue-twisters
498
Transpose Sentence
516
267644
United States
121
Vampire Numbers
354
Van Eck Sequence
607
Zeckendorf Representation
373
470729502
γ
74
λ
159
π
63
τ
62
φ
600
√2
48
𝑒
46