12 Days of Christmas
405
99 Bottles of Beer
411
Abundant Numbers
721
Abundant Numbers (Long)
797
Arabic to Roman
497
Arithmetic Numbers
633
Arrows
224
ASCII Table
489
Card Number Validation
563
Christmas Trees
675
Collatz
628
781
CSS Colors
123
Day of Week
417
DFA Simulator
503
Diamonds
397
Divisors
525
947
Emirp Numbers
505
Emirp Numbers (Long)
589
Emojify
272
Evil Numbers
889
Evil Numbers (Long)
872
Factorial Factorisation
265
Farey Sequence
716
Fibonacci
545
947
Fizz Buzz
873857743735848898623407
Foo Fizz Buzz Bar
325
795
Forsyth–Edwards Notation
556
Fractions
579
Happy Numbers
500
Happy Numbers (Long)
635
ISBN
592516
645
658
Leap Years
827
ln 2
981
Look and Say
397
Lucky Numbers
495
Mandelbrot
242
484
Minesweeper
1,000
467
Morse Encoder
176
N Queens
324
Niven Numbers
772
Niven Numbers (Long)
847
Number Spiral
208
Odious Numbers
870
Odious Numbers (Long)
213
872
Ordinal Numbers
694
569
PalindromemordnilaP
486
714
Pangram Grep
388
792
Pascal’s Triangle
794
Pernicious Numbers
816
Prime Numbers
952
Prime Numbers (Long)
721
Quine
969
Recamán
671
Rijndael S-box
155
ROT13
476
Scrambled Sort
276
Set
444
Seven Segment
321
Sierpiński Triangle
581
Smith Numbers
415
Spelling Numbers
225
Star Wars GPT
459
Tic-tac-toe
507
Time Distance
377
Tongue-twisters
272
Transpose Sentence
515
Trinomial Triangle
287
United States
208
Zeckendorf Representation
583
Zodiac Signs
212
π
436
φ
598
√2
1,000
𝑒
1,000