12 Days of Christmas
478th48th
99 Bottles of Beer
43rd
Arabic to Roman
45th
Arrows
30th
CSS Colors
31st
Day of Week
1st
Fizz Buzz
139th630th1st
Happy Numbers (Long)
292nd51st
Look and Say
45th
Lucky Tickets
116th22nd
Number Spiral
158th25th
Pascal’s Triangle
382nd62nd
Pernicious Numbers
75th
Recamán
37th