99 Bottles of Beer
213
Abundant Numbers
522
Christmas Trees
594
Divisors
625
Emirp Numbers
359
Evil Numbers
523
Fibonacci
442520
494656
Fizz Buzz
558
Happy Numbers
272
Intersection
407
Kolakoski Sequence
477
Leap Years
571
Look and Say
363
Niven Numbers
588
Odious Numbers
521
Ordinal Numbers
390
Pangram Grep
Pascal’s Triangle
512
Pernicious Numbers
254
Poker
246
Prime Numbers
328
467445
Recamán
504
Rock-paper-scissors-Spock-lizard
390
Roman to Arabic
365
Seven Segment
199
Tongue-twisters
272
United States
167
Van Eck Sequence
500