99 Bottles of Beer
667
Abundant Numbers
593
Abundant Numbers (Long)
701
Arithmetic Numbers
626
ASCII Table
518
Calendar
1,000
Card Number Validation
606
Catalan Numbers
500
Catalan’s Constant
486
Christmas Trees
646
Collatz
733
Continued Fractions
848
CSS Colors
179
Day of Week
876
Divisors
864
Emirp Numbers
504
Emirp Numbers (Long)
567
Emojify
311
Evil Numbers
678
Evil Numbers (Long)
672
Fibonacci
655
Fizz Buzz
906
Foo Fizz Buzz Bar
883
Fractions
1,000
Happy Numbers
633
Hexdump
820
Intersection
777
Jacobi Symbol
641
Leap Years
544
ln 2
697
Niven Numbers
800
Niven Numbers (Long)
877
Odious Numbers
678
Odious Numbers (Long)
672
Ordinal Numbers
777
Pangram Grep
800
Pascal’s Triangle
701
Pernicious Numbers
625
Pernicious Numbers (Long)
491
Prime Numbers
625
Prime Numbers (Long)
667
Quine
912
Recamán
565
Reverse Polish Notation
832
ROT13
958
Scrambled Sort
918
Spelling Numbers
359
Tic-tac-toe
470
Tongue-twisters
501
Transpose Sentence
690
United States
182
Van Eck Sequence
667
π
323
τ
323
φ
716
√2
721
𝑒
716