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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
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Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
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Roman to Arabic
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237
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134
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274
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42,167
29 Mar 2024
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106
12 Feb 2024
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93
11 Feb 2024
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179
29 Nov 2023
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sean-niemann
122
31 Oct 2023
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Jonatan6
242
3 Aug 2023
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klixel
265
20 May 2023
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janbehrens
140
18 May 2023
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Lydxn
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90
12 Mar 2023
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Alex-x90
100
8 Feb 2023
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inventshah
96
25 Jan 2023
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astdefu
204
10 Dec 2022
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jupj
131
27 Aug 2022
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jared-hughes
178
3 Aug 2022
Roman to Arabic
Shanethegamer
128
13 Jun 2022
Roman to Arabic
c0d3-4-F00d
183
19 Apr 2022
Roman to Arabic
madex
262
1 Mar 2022
Roman to Arabic
JayXon
92
23 Jan 2022
Roman to Arabic
m-tkach
117
21 Jan 2022
Roman to Arabic
pandapawskat
223
27 Sep 2021
Roman to Arabic
djeedjay
147
6 Sep 2021
Roman to Arabic
primo-ppcg
🥉
91
10 Oct 2020
Roman to Arabic
filharmonista
138
13 Mar 2020
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ian-h-chamberlain
175
17 Dec 2019
Roman to Arabic
osmith93
251
6 Dec 2019
Roman to Arabic
ElelockSystems
368
13 Mar 2019