12 Days of Christmas
476th
99 Bottles of Beer
390th
Arithmetic Numbers
257th
Christmas Trees
540th
Evil Numbers
771st
Farey Sequence
133rd
Fibonacci
1,152nd
Fizz Buzz
1,485th
Foo Fizz Buzz Bar
507th
Fractions
254th
Happy Numbers
470th
ISBN
227th
Lucky Numbers
174th
Medal Tally
113th
Morse Decoder
205th
Rijndael S-box
107th
Seven Segment
317th
Spelling Numbers
145th
Time Distance
138th
Tongue-twisters
177th
Transpose Sentence
146th
United States
198th
Van Eck Sequence
241st