12 Days of Christmas
817
99 Bottles of Beer
715
Abundant Numbers
646
Abundant Numbers (Long)
775
Arabic to Roman
383
Arithmetic Numbers
737
Arrows
329
Ascending Primes
215
ASCII Table
458
brainfuck
421
Card Number Validation
503
Catalan Numbers
550
Catalan’s Constant
71
Christmas Trees
697
Collatz
861
CSS Colors
211
Cubes
526
Day of Week
535
Diamonds
351
Divisors
740
Emirp Numbers
553
Emirp Numbers (Long)
539
Emojify
303
Evil Numbers
556
Evil Numbers (Long)
519
Factorial Factorisation
279
Farey Sequence
293
Fibonacci
632
Fizz Buzz
699
Foo Fizz Buzz Bar
680
Fractions
629
Happy Numbers
639
Happy Numbers (Long)
567
ISBN
758
Jacobi Symbol
592
Kaprekar Numbers
264
Kolakoski Constant
71
Kolakoski Sequence
280
Leap Years
642
Leyland Numbers
811
ln 2
465
Look and Say
544
Lucky Numbers
684
Mandelbrot
289
Medal Tally
506
Morse Decoder
276
Morse Encoder
286
Niven Numbers
611
Niven Numbers (Long)
676
Number Spiral
252
Odious Numbers
548
Odious Numbers (Long)
519
Ordinal Numbers
583
Pangram Grep
590
Partition Numbers
362
Pascal’s Triangle
514
Pernicious Numbers
513
Pernicious Numbers (Long)
584
Prime Numbers
506
Prime Numbers (Long)
557
Recamán
685
Rijndael S-box
161
Rock-paper-scissors-Spock-lizard
529
ROT13
395
Scrambled Sort
804
Seven Segment
536
SI Units
469
Sierpiński Triangle
311
Spelling Numbers
345
Tic-tac-toe
356
Time Distance
481
Tongue-twisters
646
United States
248
Vampire Numbers
251
Van Eck Sequence
778
Zeckendorf Representation
605
Zodiac Signs
316
γ
77
λ
162
π
147
τ
147
φ
52
√2
360
𝑒
356