12 Days of Christmas
358th
99 Bottles of Beer
450th
Abundant Numbers
41st
77th
Arabic to Roman
36th
Christmas Trees
296th
Cubes
107th
Diamonds
167th
Divisors
59th577th135th
Emirp Numbers
32nd
68th
Evil Numbers
57th
122nd
Fibonacci
160th
239th
Fizz Buzz
197th1,479th402nd
Happy Numbers
39th235th62nd
Leap Years
63rd464th111th
Morse Decoder
95th14th
Morse Encoder
109th
Niven Numbers
65th372nd84th
Odious Numbers
46th346th96th
Ordinal Numbers
222nd30th
Pangram Grep
245th34th
Pascal’s Triangle
217th48th
Pernicious Numbers
211th67th
Prime Numbers
76th478th143rd
Rock-paper-scissors-Spock-lizard
127th
Roman to Arabic
144th
Rule 110
102nd13th
Seven Segment
149th34th