12 Days of Christmas
205th
99 Bottles of Beer
355th
Abundant Numbers
189th
brainfuck
Christmas Trees
132nd
Diamonds
94th
Divisors
222nd
Emirp Numbers
193rd
Evil Numbers
317th
Fibonacci
499th
Fizz Buzz
1st
Happy Numbers
207th
Leap Years
438th
Niven Numbers
192nd
Odious Numbers
246th
Pangram Grep
Pascal’s Triangle
201st
Pernicious Numbers
137th
Prime Numbers
291st
Roman to Arabic
123rd
Seven Segment
111th
Sierpiński Triangle
108th
Spelling Numbers
λ
128th
π
296th
τ
112th
φ
119th
√2
107th
𝑒
106th