99 Bottles of Beer
382
Abundant Numbers
570
Abundant Numbers (Long)
632
Arithmetic Numbers
539
ASCII Table
411
Calendar
758
Card Number Validation
489
Catalan Numbers
500
Catalan’s Constant
412
Christmas Trees
563
Collatz
663
Continued Fractions
586
CSS Colors
78
Day of Week
701
Divisors
818
Emirp Numbers
414
Emirp Numbers (Long)
470
Emojify
281
Evil Numbers
678
Evil Numbers (Long)
672
Fibonacci
655
Fizz Buzz
828
Foo Fizz Buzz Bar
702
Fractions
849
Happy Numbers
490
Hexdump
551
Intersection
568
Jacobi Symbol
464
Leap Years
544
ln 2
684
Niven Numbers
800
Niven Numbers (Long)
877
Odious Numbers
678
Odious Numbers (Long)
672
Ordinal Numbers
631
Pangram Grep
678
Pascal’s Triangle
649
Pernicious Numbers
625
Pernicious Numbers (Long)
481
Prime Numbers
625
Prime Numbers (Long)
667
Quine
912
Recamán
509
Reverse Polish Notation
603
ROT13
831
Scrambled Sort
714
Spelling Numbers
209
Tic-tac-toe
364
Tongue-twisters
279
Transpose Sentence
548
United States
135
Van Eck Sequence
791
π
289
τ
289
φ
703
√2
721
𝑒
716