12 Days of Christmas
104th
99 Bottles of Beer
139th
Abundant Numbers
112th
Abundant Numbers (Long)
92nd
Arabic to Roman
58th
Arithmetic Numbers
85th
Arrows
120th
Ascending Primes
47th
ASCII Table
121st
Calendar
58th
Card Number Validation
119th
Catalan Numbers
147th
Catalan’s Constant
91st
Christmas Trees
25th
Collatz
121st
CSS Colors
176th
Day of Week
1st
Diamonds
81st
Divisors
1st
Emirp Numbers
93rd
Emirp Numbers (Long)
50th
Emojify
166th
Evil Numbers
1st
Evil Numbers (Long)
43rd
Factorial Factorisation
103rd
Farey Sequence
148th
Fibonacci
197th
Fizz Buzz
68th
Foo Fizz Buzz Bar
1st
Fractions
129th
Happy Numbers
149th
Happy Numbers (Long)
86th
Hexdump
57th
Inventory Sequence
78th
ISBN
116th
Kaprekar Numbers
48th
Kolakoski Constant
69th
Kolakoski Sequence
105th
Leap Years
62nd
Leyland Numbers
8th
ln 2
1st
Medal Tally
63rd
Niven Numbers
90th
Niven Numbers (Long)
156th
Number Spiral
130th
Odious Numbers
165th
Odious Numbers (Long)
167th
Ordinal Numbers
120th
PalindromemordnilaP
80th
Pangram Grep
65th
Pascal’s Triangle
89th
Pernicious Numbers
159th
Pernicious Numbers (Long)
68th
Prime Numbers
93rd
Prime Numbers (Long)
64th
Quine
83rd
Recamán
134th
Rijndael S-box
113th
Roman to Arabic
76th
ROT13
98th
Scrambled Sort
70th
Seven Segment
72nd
Spelling Numbers
90th
Tongue-twisters
187th
Transpose Sentence
57th
United States
17th
γ
59th
π
74th
τ
145th
φ
61st
√2
1st
𝑒
1st