99 Bottles of Beer
331
Abundant Numbers
585
Abundant Numbers (Long)
642
Arithmetic Numbers
577
Ascending Primes
314
Christmas Trees
362
Collatz
714
CSS Colors
78
Cubes
259
Day of Week
207
Divisors
590
Emirp Numbers
369
Emirp Numbers (Long)
414
Emojify
240
Evil Numbers
568
Evil Numbers (Long)
562
Fibonacci
805
Fizz Buzz
604
Foo Fizz Buzz Bar
508
Happy Numbers
347
Happy Numbers (Long)
415
ISBN
545
Leap Years
754
Look and Say
117
Medal Tally
335
Morse Encoder
172
Niven Numbers
622
Niven Numbers (Long)
681
Number Spiral
197
Odious Numbers
566
Odious Numbers (Long)
559
Ordinal Numbers
317
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
356
United States
119
Van Eck Sequence
482
π
253