12 Days of Christmas
897
99 Bottles of Beer
698
Abundant Numbers
754
Abundant Numbers (Long)
917
Arabic to Roman
471
Arithmetic Numbers
873
Arrows
416
Ascending Primes
321
ASCII Table
585
brainfuck
467
Card Number Validation
650
Catalan Numbers
677
Catalan’s Constant
158
Christmas Trees
771
Collatz
877
CSS Colors
182
Cubes
608
Day of Week
648
Diamonds
459
Divisors
844
Emirp Numbers
632
Emirp Numbers (Long)
643
Emojify
385
Evil Numbers
784
Evil Numbers (Long)
788
Factorial Factorisation
380
Farey Sequence
400
Fibonacci
667
Fizz Buzz
736
Foo Fizz Buzz Bar
742
Fractions
747
Happy Numbers
649
Happy Numbers (Long)
685
Hilbert Curve
393
Inventory Sequence
560
ISBN
835
Jacobi Symbol
689
Kaprekar Numbers
413
Kolakoski Constant
155
Kolakoski Sequence
432
Leap Years
729
Levenshtein Distance
547
Leyland Numbers
861
ln 2
634
Look and Say
645
Lucky Numbers
800
Mahjong
396
Mandelbrot
355
Medal Tally
552
Morse Decoder
345
Morse Encoder
352
Musical Chords
322
Niven Numbers
721
Niven Numbers (Long)
806
Number Spiral
419
Odious Numbers
800
Odious Numbers (Long)
788
Ordinal Numbers
695
Pangram Grep
709
Partition Numbers
336
Pascal’s Triangle
641
Pernicious Numbers
615
Pernicious Numbers (Long)
680
Poker
419
Prime Numbers
645
Prime Numbers (Long)
677
QR Decoder
589
Recamán
786
Reverse Polish Notation
549
Rijndael S-box
284
Rock-paper-scissors-Spock-lizard
558
Roman to Arabic
649
ROT13
532
Scrambled Sort
864
Seven Segment
574
SI Units
415
Sierpiński Triangle
462
Smith Numbers
580
Spelling Numbers
383
Star Wars Opening Crawl
604
Ten-pin Bowling
506
Tic-tac-toe
462
Time Distance
483
Tongue-twisters
738
Transpose Sentence
600
United States
343
Vampire Numbers
332
Van Eck Sequence
869
Zeckendorf Representation
659
Zodiac Signs
385
γ
166
λ
267
π
283
τ
283
φ
135
√2
605
𝑒
533