Abundant Numbers
6th
Divisors
1st37th
Emirp Numbers
3rd
Evil Numbers
1st104th
1st
Fibonacci
7th1st1st8th
Fizz Buzz
1st
4th
Happy Numbers
3rd
Kolakoski Sequence
5th
Look and Say
5th
Niven Numbers
1st
8th
Odious Numbers
1st
1st
Ordinal Numbers
1st
Pangram Grep
16th
1st
Pascal’s Triangle
1st
Pernicious Numbers
44th
3rd
Prime Numbers
1st70th
1st
Quine
1st
6th
Reversi
5th
Rijndael S-box
2nd
Sierpiński Triangle
4th
Tower of Hanoi
3rd
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18th