12 Days of Christmas
406
99 Bottles of Beer
459
Abundant Numbers
721
Abundant Numbers (Long)
797
Arabic to Roman
456
Arithmetic Numbers
721
Arrows
583
Ascending Primes
312
ASCII Table
457
Card Number Validation
450
Catalan Numbers
710
Christmas Trees
621
Collatz
750
CSS Colors
100
Cubes
405
Day of Week
667
Diamonds
320
Divisors
857
Emirp Numbers
470
Emirp Numbers (Long)
534
Emojify
272
Evil Numbers
870
Evil Numbers (Long)
854
Farey Sequence
367
Fibonacci
878
Fizz Buzz
883
Foo Fizz Buzz Bar
795
Fractions
602
Happy Numbers
466
Happy Numbers (Long)
587
Hexdump
351
Intersection
545
ISBN
534
Jacobi Symbol
480
Kaprekar Numbers
134
Kolakoski Sequence
612
Leap Years
632
Leyland Numbers
674
ln 2
684
Look and Say
480
Lucky Numbers
663
Medal Tally
381
Morse Decoder
197
Morse Encoder
207
Niven Numbers
759
Niven Numbers (Long)
833
Odious Numbers
870
Odious Numbers (Long)
872
Ordinal Numbers
623
PalindromemordnilaP
644
Pangram Grep
709
Pascal’s Triangle
575
Pernicious Numbers
513
Pernicious Numbers (Long)
630
Prime Numbers
909
Prime Numbers (Long)
978
Quine
939
Recamán
696
Roman to Arabic
404
Sierpiński Triangle
340
Smith Numbers
500
Tongue-twisters
312
Transpose Sentence
460
Van Eck Sequence
582
π
335
τ
328
φ
619
√2
721
𝑒
397