12 Days of Christmas
110th
24 Game
27th
99 Bottles of Beer
50th
Abundant Numbers
122nd
Abundant Numbers (Long)
63rd
Arabic to Roman
64th
Arithmetic Numbers
65th
Arrows
80th
Ascending Primes
43rd
ASCII Table
62nd
brainfuck
89th
Catalan Numbers
77th
Catalan’s Constant
41st
Christmas Trees
251st
Collatz
41st
CSS Colors
126th
Cubes
86th
Day of Week
20th
Diamonds
133rd
Divisors
193rd
Emirp Numbers
164th
Emirp Numbers (Long)
64th
Emojify
107th
Evil Numbers
315th
Evil Numbers (Long)
126th
Factorial Factorisation
37th
Farey Sequence
51st
Fibonacci
107th
327th
161st
147th
150th
1,174th
182ndFizz Buzz
1st
1st
45th
Foo Fizz Buzz Bar
247th
Fractions
70th
Gijswijt’s Sequence
35th
Happy Numbers
158th
Happy Numbers (Long)
92nd
Inventory Sequence
58th
ISBN
78th
Kolakoski Constant
40th
Kolakoski Sequence
100th
Leap Years
127th
51st
88th
39th
171st
Leyland Numbers
97th
ln 2
42nd
Look and Say
120th
Lucky Numbers
63rd
Morse Encoder
83rd
N Queens
21st
Niven Numbers
295th
Niven Numbers (Long)
110th
Number Spiral
59th
Odious Numbers
269th
Odious Numbers (Long)
100th
Pascal’s Triangle
196th
Pernicious Numbers
155th
Pernicious Numbers (Long)
64th
Prime Numbers
346th
Prime Numbers (Long)
148th
Quine
83rd
184th
217th
51st
Recamán
107th
Reverse Polish Notation
39th
Reversi
17th
Rijndael S-box
40th
Rock-paper-scissors-Spock-lizard
41st
Seven Segment
71st
SI Units
12th
Sierpiński Triangle
101st
Smith Numbers
54th
Tongue-twisters
75th
United States
121st
Vampire Numbers
45th
Van Eck Sequence
83rd
γ
26th
λ
66th
π
149th
τ
80th
φ
67th
√2
75th
𝑒
76th