12 Days of Christmas
147th
99 Bottles of Beer
275th
Abundant Numbers
234th
Catalan Numbers
1st
Collatz
111th
Divisors
1st
Emirp Numbers
238th
Emirp Numbers (Long)
151st
Evil Numbers
348th
Evil Numbers (Long)
230th
Fibonacci
100th
154th
Fizz Buzz
96th
639th
Foo Fizz Buzz Bar
203rd
Happy Numbers
162nd
Happy Numbers (Long)
87th
Kolakoski Sequence
121st
Leap Years
187th
Leyland Numbers
257th
Look and Say
95th
Lucky Numbers
112th
Niven Numbers
269th
Niven Numbers (Long)
115th
Odious Numbers
455th
Odious Numbers (Long)
255th
Pernicious Numbers
428th
Prime Numbers
393rd
Prime Numbers (Long)
266th
Quine
237th115th69th100th357th114th56th39th
RecamΓ‘n
78th
Smith Numbers
105th
Tongue-twisters
111th
Vampire Numbers
102nd
Van Eck Sequence
108th
Ο
77th