12 Days of Christmas
400
99 Bottles of Beer
472
Abundant Numbers
738
Abundant Numbers (Long)
808
Arabic to Roman
569
Arithmetic Numbers
758
Arrows
574
Ascending Primes
660
ASCII Table
574
Calendar
719
Card Number Validation
518
Catalan Numbers
888
Catalan’s Constant
420
Christmas Trees
745
Collatz
757
CSS Colors
113
Day of Week
772
Diamonds
593
Divisors
911
Emirp Numbers
681
Emirp Numbers (Long)
637
Emojify
413
Evil Numbers
980
Evil Numbers (Long)
949
Factorial Factorisation
466
Farey Sequence
472
Fibonacci
933
Fizz Buzz
890
Foo Fizz Buzz Bar
781
Fractions
634
Happy Numbers
601
Happy Numbers (Long)
719
Hexdump
594
Inventory Sequence
816
ISBN
613
Kaprekar Numbers
Kolakoski Constant
578
Kolakoski Sequence
833
Leap Years
899
Leyland Numbers
810
ln 2
910
Medal Tally
557
Niven Numbers
933
Niven Numbers (Long)
848
Number Spiral
373
Odious Numbers
849
Odious Numbers (Long)
827
Ordinal Numbers
660
PalindromemordnilaP
693
Pangram Grep
768
Pascal’s Triangle
853
Pernicious Numbers
779
Pernicious Numbers (Long)
843
Prime Numbers
934
Prime Numbers (Long)
950
Quine
946
Recamán
752
Rijndael S-box
149
Roman to Arabic
606
ROT13
797
Scrambled Sort
696
Seven Segment
547
Spelling Numbers
283
Tongue-twisters
362
Transpose Sentence
681
United States
623
γ
365
π
776
τ
443
φ
917
√2
952
𝑒
950