12 Days of Christmas
53rd
Abundant Numbers
50th
Abundant Numbers (Long)
26th
Arithmetic Numbers
17th
Christmas Trees
51st
Collatz
117th
Diamonds
129th
Divisors
30th1st
Evil Numbers
243rd
Evil Numbers (Long)
153rd
Factorial Factorisation
29th
Fibonacci
157th108th
Fizz Buzz
31st
53rd
Fractions
46th
Intersection
52nd
Leap Years
152nd
Look and Say
106th
Niven Numbers
184th
Niven Numbers (Long)
77th
Odious Numbers
135th
Odious Numbers (Long)
91st
Pascalβs Triangle
68th
Pernicious Numbers
139th
Prime Numbers
140th
Prime Numbers (Long)
42nd
ROT13
60th
Set
31st
Smith Numbers
28th
Star Wars GPT
33rd
Tic-tac-toe
47th
Ξ»
127th