12 Days of Christmas
404th
45th
99 Bottles of Beer
38th
Arabic to Roman
40th
Arrows
27th
CSS Colors
27th
Day of Week
1st
Fizz Buzz
125th
558th
1st
Happy Numbers (Long)
255th
42nd
Look and Say
41st
Lucky Tickets
96th
20th
Number Spiral
130th
23rd
Pascal’s Triangle
341st
56th
Pernicious Numbers
70th
Recamán
35th