12 Days of Christmas
296th438th
99 Bottles of Beer
149th
Abundant Numbers
676th
Christmas Trees
335th
Diamonds
358th
Divisors
923rd
Emirp Numbers
541st
Evil Numbers
825th
Fibonacci
951st
Fizz Buzz
59th
Foo Fizz Buzz Bar
1st
Fractions
398th
Happy Numbers
470th
Leap Years
221st
Niven Numbers
485th
Odious Numbers
625th
Ordinal Numbers
405th
Pangram Grep
472nd
Pascal’s Triangle
437th
Prime Numbers
994th
Prime Numbers (Long)
501st
Recamán
398th
Rock-paper-scissors-Spock-lizard
181st
Roman to Arabic
201st
Seven Segment
370th
Van Eck Sequence
299th
π
235th
τ
161st
φ
239th
√2
366th
𝑒
307th