12 Days of Christmas
143rd240th
24 Game
45th
99 Bottles of Beer
72nd264th
Abundant Numbers
3,454th346th465th2,877th
Abundant Numbers (Long)
449th
Arabic to Roman
488th387th
Arithmetic Numbers
432nd
Arrows
226th
Ascending Primes
238th
ASCII Table
111th
Billiards
brainfuck
184th234th
Card Number Validation
139th
Catalan Numbers
361st
Catalan’s Constant
224th
Christmas Trees
608th256th
Collatz
373rd
CSS Colors
259th232nd
Cubes
246th
Day of Week
185th
DFA Simulator
40th
Diamonds
208th81st508th
Divisors
4,563rd
1,105th1,551st26th
Emirp Numbers
1,633rd122nd537th1,121st
Emirp Numbers (Long)
98th
Emojify
265th
Evil Numbers
3,862nd3,543rd589th425th1,219th
Evil Numbers (Long)
318th
Factorial Factorisation
209th
Farey Sequence
538th
Fibonacci
4,117th8,211th396th185th1,153rd
Fizz Buzz
3,403rd122nd693rd
Foo Fizz Buzz Bar
778th
Forsyth–Edwards Notation
128th
Fractions
416th
Game of Life
221st
Gijswijt’s Sequence
168th
Happy Numbers
2,004th402nd836th
Happy Numbers (Long)
136th
Hexdump
187th
Intersection
200th157th
Inventory Sequence
284th
ISBN
40th
Jacobi Symbol
224th
Kaprekar Numbers
143rd
Kolakoski Constant
236th201st
Kolakoski Sequence
1,461st182nd315th
Leap Years
3,870th3,979th346th38th1,341st
Levenshtein Distance
303rd222nd
Leyland Numbers
1,163rd209th667th
Look and Say
139th30th
Lucky Numbers
282nd
Lucky Tickets
216th244th
Maze
29th
Medal Tally
231st
Morse Decoder
188th254th
Morse Encoder
224th221st
Musical Chords
125th
N Queens
128th
Niven Numbers
358th101st
Niven Numbers (Long)
222nd
Number Spiral
Odious Numbers
3,000th316th671st
Odious Numbers (Long)
301st
Ordinal Numbers
442nd45th574th
PalindromemordnilaP
345th
Pangram Grep
455th50th
Pascal’s Triangle
538th610th
Pernicious Numbers
1,182nd1,477th
Pernicious Numbers (Long)
271st
Poker
34th101st
Prime Numbers
2,926th3,651st778th147th
Prime Numbers (Long)
815th
Proximity Grid
163rd
Quine
1,410th2,156th
Recamán
1,476th189th166th
Repeating Decimals
79th
Reverse Polish Notation
288th
Rijndael S-box
567th
Rock-paper-scissors-Spock-lizard
119th99th
Roman to Arabic
240th286th
ROT13
279th
Rule 110
220th169th
Seven Segment
213th201st
SI Units
150th
Sierpiński Triangle
460th476th
Smith Numbers
863rd
Spelling Numbers
246th93rd
Star Wars Opening Crawl
19th
Sudoku
125th123rd
Sudoku (Fill-in)
202nd
Ten-pin Bowling
171st138th
Tic-tac-toe
99th
Time Distance
152nd
Tongue-twisters
126th215th
Transpose Sentence
414th
United States
306th
Vampire Numbers
749th36th188th
Van Eck Sequence
1,222nd365th
Zeckendorf Representation
91st
Zodiac Signs
218th
γ
888th
λ
204th1,157th1,386th
π
279th373rd
τ
302nd297th
φ
416th305th
√2
273rd393rd605th
𝑒
359th446th