12 Days of Christmas
120th
Abundant Numbers
56th
Abundant Numbers (Long)
32nd
Arabic to Roman
154th
Arrows
189th
brainfuck
55th
Christmas Trees
324th
Collatz
201st
Diamonds
331st
Divisors
1st
Emirp Numbers
82nd
Emirp Numbers (Long)
97th
Evil Numbers
401st
Evil Numbers (Long)
282nd
Fibonacci
187th
Fizz Buzz
685th
Foo Fizz Buzz Bar
287th
Fractions
182nd
Happy Numbers
178th
Happy Numbers (Long)
113th
Intersection
65th
Kolakoski Sequence
19th
Leap Years
288th
Leyland Numbers
297th
Look and Say
253rd
Lucky Numbers
180th
Niven Numbers
76th
Niven Numbers (Long)
95th
Odious Numbers
302nd
Odious Numbers (Long)
248th
Ordinal Numbers
141st
Pangram Grep
211th
Pascal’s Triangle
78th
Pernicious Numbers
265th
Pernicious Numbers (Long)
185th
Prime Numbers
361st
Prime Numbers (Long)
198th
Quine
655th
Recamán
125th
Roman to Arabic
121st
Smith Numbers
221st
Spelling Numbers
105th
Vampire Numbers
153rd
Van Eck Sequence
168th
π
491st
√2
515th
𝑒
398th