12 Days of Christmas
842
99 Bottles of Beer
711
Abundant Numbers
728
Abundant Numbers (Long)
865
Arabic to Roman
372
Arithmetic Numbers
781
Arrows
320
Ascending Primes
207
ASCII Table
461
brainfuck
408
Card Number Validation
513
Catalan Numbers
535
Catalan’s Constant
70
Christmas Trees
685
Collatz
865
CSS Colors
201
Cubes
518
Day of Week
513
Diamonds
344
Divisors
729
Emirp Numbers
542
Emirp Numbers (Long)
522
Emojify
297
Evil Numbers
770
Evil Numbers (Long)
754
Factorial Factorisation
270
Farey Sequence
283
Fibonacci
623
Fizz Buzz
694
Foo Fizz Buzz Bar
671
Fractions
610
Happy Numbers
626
Happy Numbers (Long)
551
Hilbert Curve
265
Inventory Sequence
398
ISBN
735
Jacobi Symbol
575
Kaprekar Numbers
264
Kolakoski Constant
67
Kolakoski Sequence
270
Leap Years
633
Levenshtein Distance
424
Leyland Numbers
789
ln 2
451
Look and Say
529
Lucky Numbers
664
Mahjong
308
Mandelbrot
278
Medal Tally
486
Morse Decoder
271
Morse Encoder
279
Musical Chords
236
Niven Numbers
601
Niven Numbers (Long)
661
Number Spiral
243
Odious Numbers
784
Odious Numbers (Long)
767
Ordinal Numbers
568
Pangram Grep
575
Partition Numbers
347
Pascal’s Triangle
501
Pernicious Numbers
501
Pernicious Numbers (Long)
568
Poker
426
Prime Numbers
530
Prime Numbers (Long)
542
QR Decoder
488
Recamán
670
Reverse Polish Notation
436
Rijndael S-box
154
Rock-paper-scissors-Spock-lizard
522
Roman to Arabic
534
ROT13
378
Scrambled Sort
761
Seven Segment
524
SI Units
461
Sierpiński Triangle
305
Smith Numbers
473
Spelling Numbers
342
Star Wars Opening Crawl
578
Ten-pin Bowling
412
Tic-tac-toe
342
Time Distance
471
Tongue-twisters
642
Transpose Sentence
459
United States
259
Vampire Numbers
245
Van Eck Sequence
751
Zeckendorf Representation
577
Zodiac Signs
303
γ
75
λ
159
π
177
τ
175
φ
51
√2
429
𝑒
361