12 Days of Christmas
224th
Abundant Numbers
89th588th
Abundant Numbers (Long)
46th354th
Arithmetic Numbers
169th
Catalan Numbers
238th
Christmas Trees
573rd
Collatz
348th
Divisors
443rd
Emirp Numbers
514th
Emirp Numbers (Long)
203rd
Evil Numbers
324th
Evil Numbers (Long)
211th
Fibonacci
150th
Fizz Buzz
630th
Foo Fizz Buzz Bar
93rd248th
Happy Numbers
521st
Happy Numbers (Long)
266th
Inventory Sequence
135th
Kolakoski Constant
115th
Kolakoski Sequence
260th
Leap Years
118th
Look and Say
183rd
Lucky Numbers
188th
Niven Numbers
43rd57th
Niven Numbers (Long)
341st
Odious Numbers
247th
Odious Numbers (Long)
198th
Ordinal Numbers
332nd
Pangram Grep
359th
Pascal’s Triangle
245th
Pernicious Numbers
445th
Pernicious Numbers (Long)
183rd
Prime Numbers
136th
Prime Numbers (Long)
41st
Recamán
207th
Sierpiński Triangle
156th
Tongue-twisters
29th231st
Van Eck Sequence
168th