12 Days of Christmas
2,988th
99 Bottles of Beer
3,159th3,131st
Abundant Numbers
3,879th661st3,592nd
Arabic to Roman
1,704th
Christmas Trees
2,680th2,698th
Cubes
1,035th
Diamonds
1,793rd1,786th
Divisors
4,283rd2,440th4,651st
Emirp Numbers
2,903rd2,920th2,842nd
Evil Numbers
4,669th3,881st
Fibonacci
7,781st8,931st8,959th
Fizz Buzz
5,981st12,522nd
Happy Numbers
2,925th2,917th2,898th
Leap Years
4,144th4,143rd4,132nd
Morse Decoder
827th
Morse Encoder
928th
Niven Numbers
3,852nd3,849th3,815th
Odious Numbers
3,826th3,797th3,747th
Ordinal Numbers
1,728th1,738th
Pangram Grep
2,336th
Pascal’s Triangle
2,610th2,468th
Pernicious Numbers
3,078th3,071st
Prime Numbers
5,037th5,076th4,996th
Quine
3,912th
Rock-paper-scissors-Spock-lizard
928th
Roman to Arabic
1,266th
Rule 110
1,054th
Seven Segment
1,309th1,375th
Sierpiński Triangle
1,853rd