Abundant Numbers
4th
Abundant Numbers (Long)
4th
ASCII Table
4th
Catalan Numbers
8th
Catalan’s Constant
1st
Christmas Trees
4th
Day of Week
6th
Diamonds
4th
Fibonacci
1st
Fizz Buzz
8th
3rd
Fractions
2nd
Happy Numbers
5th
Happy Numbers (Long)
4th
Intersection
6th
Inventory Sequence
4th
Kolakoski Sequence
4th
Leyland Numbers
7th
Lucky Numbers
3rd
Niven Numbers
14th
Niven Numbers (Long)
1st
Number Spiral
2nd
Pangram Grep
8th
Pernicious Numbers
14th
Quine
1st
Recamán
4th
Smith Numbers
3rd
Vampire Numbers
3rd
γ
1st
π
1st
τ
1st
φ
1st
√2
1st
𝑒
1st