12 Days of Christmas
217th
99 Bottles of Beer
361st
Abundant Numbers
187th
brainfuck
Christmas Trees
132nd
Diamonds
99th
Divisors
221st
Emirp Numbers
195th
Evil Numbers
314th
Fibonacci
492nd
Fizz Buzz
1st
Happy Numbers
206th
Leap Years
436th
Niven Numbers
191st
Odious Numbers
245th
Pangram Grep
Pascal’s Triangle
201st
Pernicious Numbers
137th
Prime Numbers
291st
Roman to Arabic
123rd
Seven Segment
116th
Sierpiński Triangle
110th
Spelling Numbers
λ
129th
π
193rd
τ
112th
φ
120th
√2
107th
𝑒
107th