12 Days of Christmas
245th
99 Bottles of Beer
187th
Abundant Numbers
359th
Collatz
39th
Cubes
76th
Diamonds
149th
Divisors
378th
Emirp Numbers
231st
Fibonacci
427th149th
Fizz Buzz
704th
Happy Numbers (Long)
28th
Kolakoski Constant
69th
Kolakoski Sequence
107th
Look and Say
116th
Morse Encoder
85th16th
Niven Numbers (Long)
39th
Pascal’s Triangle
174th
Prime Numbers
451st
Repeating Decimals
8th
Rock-paper-scissors-Spock-lizard
83rd10th
Sierpiński Triangle
38th
Tongue-twisters
195th23rd
Van Eck Sequence
75th17th