12 Days of Christmas
63rd
Abundant Numbers
55th
Abundant Numbers (Long)
32nd
Arithmetic Numbers
24th
Christmas Trees
56th
Collatz
141st
Diamonds
149th
Divisors
33rd1st
Evil Numbers
269th
Evil Numbers (Long)
176th
Factorial Factorisation
34th
Fibonacci
186th120th
Fizz Buzz
31st
58th
Fractions
58th
Intersection
64th
Leap Years
173rd
Look and Say
122nd
Niven Numbers
211th
Niven Numbers (Long)
95th
Odious Numbers
153rd
Odious Numbers (Long)
109th
Pascal’s Triangle
78th
Pernicious Numbers
160th
Prime Numbers
157th
Prime Numbers (Long)
52nd
ROT13
88th
Set
46th
Smith Numbers
31st
Star Wars GPT
45th
Tic-tac-toe
58th
λ
142nd