12 Days of Christmas
881
99 Bottles of Beer
802
Abundant Numbers
750
Abundant Numbers (Long)
899
Arabic to Roman
642
Arithmetic Numbers
849
Arrows
492
Ascending Primes
360
ASCII Table
576
Card Number Validation
564
Catalan Numbers
710
Christmas Trees
713
Collatz
895
CSS Colors
231
Cubes
580
Day of Week
833
Diamonds
383
Divisors
905
Emirp Numbers
581
Emirp Numbers (Long)
644
Emojify
302
Evil Numbers
870
Evil Numbers (Long)
854
Farey Sequence
418
Fibonacci
878
Fizz Buzz
967
Foo Fizz Buzz Bar
1,000
Fractions
709
Happy Numbers
602
Happy Numbers (Long)
692
Hexdump
523
Intersection
745
ISBN
684
Jacobi Symbol
663
Kaprekar Numbers
156
Kolakoski Sequence
612
Leap Years
632
Leyland Numbers
793
ln 2
697
Look and Say
592
Lucky Numbers
688
Medal Tally
520
Morse Decoder
275
Morse Encoder
293
Niven Numbers
759
Niven Numbers (Long)
833
Odious Numbers
870
Odious Numbers (Long)
872
Ordinal Numbers
764
PalindromemordnilaP
792
Pangram Grep
837
Pascal’s Triangle
621
Pernicious Numbers
513
Pernicious Numbers (Long)
642
Prime Numbers
909
Prime Numbers (Long)
978
Quine
939
Recamán
772
Roman to Arabic
536
Sierpiński Triangle
366
Smith Numbers
684
Tongue-twisters
554
Transpose Sentence
580
Van Eck Sequence
615
π
376
τ
367
φ
631
√2
721
𝑒
397