12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
153rd5th
Arrows
48th12th
Ascending Primes
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
207th4th
CSS Colors
144th62nd
Day of Week
329th76th
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
64th20th
Evil Numbers
486th147th40th
Evil Numbers (Long)
276th88th36th
Factorial Factorisation
Farey Sequence
70th28th
Fibonacci
1,028th185th51st
Fizz Buzz
Foo Fizz Buzz Bar
161st17th
Fractions
229th102nd
Gijswijt’s Sequence
26th16th
Happy Numbers
122nd499th
Happy Numbers (Long)
108th32nd
Intersection
Inventory Sequence
56th29th
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Sequence
Leap Years
267th31st
Leyland Numbers
112th58th
ln 2
167th106th
Look and Say
68th19th
Lucky Numbers
Lucky Tickets
55th23rd
Medal Tally
Morse Decoder
Niven Numbers
511th54th8th
Niven Numbers (Long)
Odious Numbers
370th149th38th
Odious Numbers (Long)
277th123rd36th
Ordinal Numbers
228th38th
Pangram Grep
242nd18th
Pascal’s Triangle
Pernicious Numbers
418th144th32nd
Pernicious Numbers (Long)
122nd63rd
Prime Numbers
537th142nd
Prime Numbers (Long)
Quine
Recamán
Repeating Decimals
Rijndael S-box
ROT13
Seven Segment
Smith Numbers
Star Wars Opening Crawl
Tongue-twisters
Transpose Sentence
227th168th
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
γ
84th85th
π
124th59th
τ
121st47th
φ
231st102nd
√2
273rd147th
𝑒
241st134th