12 Days of Christmas
53rd
99 Bottles of Beer
61st
Abundant Numbers
271st38th
Arabic to Roman
Arrows
17th
ASCII Table
26th
Catalan Numbers
9th
Catalan’s Constant
9th
Christmas Trees
53rd
Collatz
43rd
CSS Colors
18th
Day of Week
31st
Divisors
110th
Emirp Numbers
203rd29th
Emirp Numbers (Long)
71st11th
Emojify
11th
Evil Numbers
317th81st
Evil Numbers (Long)
125th31st
Fibonacci
749th173rd1,587th
Fizz Buzz
263rd
Foo Fizz Buzz Bar
41st236th58th657th
Fractions
135th16th
Happy Numbers
50th
Happy Numbers (Long)
20th
Hexdump
12th
ISBN
20th
Kolakoski Constant
11th
Kolakoski Sequence
18th
Leap Years
91st
Levenshtein Distance
38th
Leyland Numbers
17th
Look and Say
28th
Lucky Numbers
12th
Morse Decoder
11th
Morse Encoder
18th
Musical Chords
8th
Niven Numbers
46th
Niven Numbers (Long)
20th
Odious Numbers
220th46th
Odious Numbers (Long)
97th24th
Ordinal Numbers
28th
Pangram Grep
21st
Pascal’s Triangle
40th
Pernicious Numbers
52nd
Poker
5th
Prime Numbers
377th101st
Prime Numbers (Long)
42nd
Recamán
19th
Roman to Arabic
94th12th
Seven Segment
32nd
Sierpiński Triangle
22nd
Smith Numbers
12th
Spelling Numbers
14th
Time Distance
9th
Tongue-twisters
18th
United States
17th
Van Eck Sequence
18th
λ
13th
π
15th
τ
13th
φ
14th
√2
11th
𝑒
19th