12 Days of Christmas
113th
99 Bottles of Beer
85th
Arabic to Roman
24th
Ascending Primes
35th
Card Number Validation
64th
Catalan Numbers
90th
400th
Catalan’s Constant
59th
Christmas Trees
95th
Collatz
29th
CSS Colors
143rd
Day of Week
106th
Diamonds
160th
Divisors
88th
Emirp Numbers
200th
Emirp Numbers (Long)
80th
Evil Numbers
86th
Evil Numbers (Long)
50th
Farey Sequence
63rd
Fibonacci
146th
Fizz Buzz
1st9th
3rd
Foo Fizz Buzz Bar
33rd
Game of Life
50th
Gray Code Decoder
29th
Gray Code Encoder
39th
Happy Numbers
69th
Happy Numbers (Long)
115th
Hilbert Curve
26th
Intersection
84th
Kolakoski Sequence
73rd
Leap Years
106th
854th
Look and Say
42nd
Lucky Numbers
59th
Lucky Tickets
53rd
Mandelbrot
32nd
Minesweeper
24th
N Queens
47th
Niven Numbers
264th
Niven Numbers (Long)
100th
Number Spiral
59th
Odious Numbers
107th
Odious Numbers (Long)
58th
Ordinal Numbers
1st
Pascal’s Triangle
68th
Prime Numbers
180th
Prime Numbers (Long)
96th
Quine
33rd
Repeating Decimals
38th
Rijndael S-box
57th
Roman to Arabic
84th
ROT13
43rd
Rule 110
54th
Scrambled Sort
44th
Seven Segment
79th
SI Units
31st
Sierpiński Triangle
40th
Spelling Numbers
78th
Time Distance
53rd
Tongue-twisters
104th
Vampire Numbers
54th
λ
88th
π
89th
τ
66th
φ
69th
√2
83rd
𝑒
86th