12 Days of Christmas
173rd
Abundant Numbers
142nd
Abundant Numbers (Long)
86th
Arithmetic Numbers
69th
Christmas Trees
117th
Collatz
191st
Diamonds
167th
Divisors
35th115th
Evil Numbers
264th
Evil Numbers (Long)
173rd
Factorial Factorisation
47th
Fibonacci
183rd118th
Fizz Buzz
32nd
206th
Fractions
114th
Intersection
115th
Leap Years
169th
Look and Say
141st
Niven Numbers
205th
Niven Numbers (Long)
104th
Odious Numbers
149th
Odious Numbers (Long)
105th
Pascal’s Triangle
109th
Pernicious Numbers
154th
Prime Numbers
153rd
Prime Numbers (Long)
50th
ROT13
102nd
Set
51st
Smith Numbers
65th
Star Wars GPT
48th
Tic-tac-toe
67th
λ
150th