99 Bottles of Beer
331
Abundant Numbers
585
Abundant Numbers (Long)
643
Arithmetic Numbers
578
Ascending Primes
313
Christmas Trees
362
Collatz
714
CSS Colors
78
Cubes
258
Day of Week
208
Divisors
590
Emirp Numbers
369
Emirp Numbers (Long)
414
Emojify
240
Evil Numbers
568
Evil Numbers (Long)
561
Fibonacci
805
Fizz Buzz
603
Foo Fizz Buzz Bar
506
Happy Numbers
347
Happy Numbers (Long)
415
ISBN
545
Leap Years
754
Look and Say
117
Medal Tally
335
Morse Encoder
171
Niven Numbers
622
Niven Numbers (Long)
681
Number Spiral
197
Odious Numbers
566
Odious Numbers (Long)
559
Ordinal Numbers
316
Pangram Grep
497
Pernicious Numbers
333
Pernicious Numbers (Long)
409
Prime Numbers
509
Prime Numbers (Long)
541
Recamán
651
ROT13
796
Seven Segment
215
Smith Numbers
352
Time Distance
271
Tongue-twisters
306
Trinomial Triangle
357
United States
120
Van Eck Sequence
482
π
253