12 Days of Christmas
229th
99 Bottles of Beer
381st
Abundant Numbers
197th
brainfuck
Christmas Trees
135th
Diamonds
111th
Divisors
226th
Emirp Numbers
200th
Evil Numbers
332nd
Fibonacci
521st
Fizz Buzz
1st
Happy Numbers
214th
Leap Years
465th
Niven Numbers
201st
Odious Numbers
257th
Pangram Grep
Pascal’s Triangle
211th
Pernicious Numbers
151st
Prime Numbers
305th
Roman to Arabic
128th
Seven Segment
124th
Sierpiński Triangle
116th
Spelling Numbers
λ
134th
π
204th
τ
114th
φ
123rd
√2
115th
𝑒
113th