12 Days of Christmas
842
99 Bottles of Beer
711
Abundant Numbers
636
Abundant Numbers (Long)
756
Arabic to Roman
372
Arithmetic Numbers
717
Arrows
320
Ascending Primes
207
ASCII Table
452
brainfuck
407
Card Number Validation
482
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)
550
ISBN
735
Jacobi Symbol
566
Kaprekar Numbers
254
Kolakoski Constant
69
Kolakoski Sequence
270
Leap Years
633
Leyland Numbers
788
ln 2
451
Look and Say
529
Lucky Numbers
664
Mandelbrot
278
Medal Tally
486
Morse Decoder
271
Morse Encoder
279
Niven Numbers
601
Niven Numbers (Long)
660
Number Spiral
243
Odious Numbers
768
Odious Numbers (Long)
752
Ordinal Numbers
568
Pangram Grep
574
Partition Numbers
347
Pascal’s Triangle
501
Pernicious Numbers
501
Pernicious Numbers (Long)
568
Prime Numbers
497
Prime Numbers (Long)
542
Recamán
670
Rijndael S-box
154
Rock-paper-scissors-Spock-lizard
522
ROT13
378
Scrambled Sort
761
Seven Segment
523
SI Units
461
Sierpiński Triangle
305
Spelling Numbers
331
Tic-tac-toe
342
Time Distance
471
Tongue-twisters
642
United States
243
Vampire Numbers
243
Van Eck Sequence
751
Zeckendorf Representation
577
Zodiac Signs
303
γ
75
λ
159
π
144
τ
143
φ
51
√2
354
𝑒
348