12 Days of Christmas
97th
99 Bottles of Beer
127th
Abundant Numbers
105th
Abundant Numbers (Long)
86th
Arabic to Roman
53rd
Arithmetic Numbers
84th
Arrows
110th
Ascending Primes
40th
ASCII Table
115th
Calendar
47th
Card Number Validation
112th
Catalan Numbers
135th
Catalan’s Constant
84th
Christmas Trees
19th
Collatz
114th
CSS Colors
170th
Day of Week
1st
Diamonds
73rd
Divisors
1st
Emirp Numbers
89th
Emirp Numbers (Long)
45th
Emojify
157th
Evil Numbers
1st
Evil Numbers (Long)
41st
Factorial Factorisation
93rd
Farey Sequence
136th
Fibonacci
189th
Fizz Buzz
59th
Foo Fizz Buzz Bar
1st
Fractions
119th
Happy Numbers
140th
Happy Numbers (Long)
78th
Hexdump
54th
Inventory Sequence
70th
ISBN
110th
Kaprekar Numbers
40th
Kolakoski Constant
62nd
Kolakoski Sequence
101st
Leap Years
56th
Leyland Numbers
8th
ln 2
1st
Medal Tally
56th
Niven Numbers
80th
Niven Numbers (Long)
148th
Number Spiral
120th
Odious Numbers
157th
Odious Numbers (Long)
159th
Ordinal Numbers
114th
PalindromemordnilaP
70th
Pangram Grep
62nd
Pascal’s Triangle
85th
Pernicious Numbers
148th
Pernicious Numbers (Long)
64th
Prime Numbers
85th
Prime Numbers (Long)
56th
Quine
75th
Recamán
128th
Rijndael S-box
105th
Roman to Arabic
73rd
ROT13
93rd
Scrambled Sort
62nd
Seven Segment
69th
Spelling Numbers
82nd
Tongue-twisters
181st
Transpose Sentence
52nd
United States
14th
γ
52nd
π
70th
τ
135th
φ
57th
√2
1st
𝑒
1st