12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
160th5th
Arrows
71st4th
Ascending Primes
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
637th11th
CSS Colors
185th62nd
Day of Week
416th107th
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
84th21st
Evil Numbers
509th147th40th
Evil Numbers (Long)
290th85th36th
Factorial Factorisation
Farey Sequence
78th35th
Fibonacci
1,677th174th41st
Fizz Buzz
Foo Fizz Buzz Bar
2,328th201st
Fractions
269th121st
Gijswijt’s Sequence
74th17th
Happy Numbers
347th66th
Happy Numbers (Long)
143rd58th
Intersection
Inventory Sequence
62nd25th
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Sequence
Leap Years
502nd37th
Leyland Numbers
171st105th
ln 2
173rd105th
Look and Say
70th30th
Lucky Numbers
Lucky Tickets
88th36th
Medal Tally
Morse Decoder
Niven Numbers
594th101st39th
Niven Numbers (Long)
Odious Numbers
410th149th38th
Odious Numbers (Long)
295th120th36th
Ordinal Numbers
317th44th
Pangram Grep
340th48th
Pascal’s Triangle
Pernicious Numbers
478th131st32nd
Pernicious Numbers (Long)
155th69th
Prime Numbers
633rd142nd
Prime Numbers (Long)
Quine
Recamán
Repeating Decimals
Rijndael S-box
ROT13
Seven Segment
Smith Numbers
Star Wars Opening Crawl
Tongue-twisters
Transpose Sentence
118th228th
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
γ
98th92nd
π
191st77th
τ
151st62nd
φ
228th114th
√2
251st159th
𝑒
242nd133rd