12 Days of Christmas
647
24 Game
46
99 Bottles of Beer
637
Abundant Numbers
787
Abundant Numbers (Long)
836
Arabic to Roman
586
Arithmetic Numbers
549
Arrows
480
Ascending Primes
229
ASCII Table
596
brainfuck
536
Catalan Numbers
56
Catalan’s Constant
186
Christmas Trees
348
Collatz
930
CSS Colors
218
Cubes
202
Day of Week
770
Diamonds
200
Divisors
817
Emirp Numbers
400
Emirp Numbers (Long)
159
Emojify
361
Evil Numbers
474
Evil Numbers (Long)
72
Factorial Factorisation
256
Farey Sequence
54
Fibonacci
767455636
652680422846917500692556
Fizz Buzz
1,0001,000898
Foo Fizz Buzz Bar
50
Fractions
692
Gijswijt’s Sequence
121
Happy Numbers
443
Happy Numbers (Long)
233
Inventory Sequence
76
ISBN
692
Kolakoski Constant
194
Kolakoski Sequence
142
Leap Years
803783
909833827
Leyland Numbers
205
ln 2
149
Look and Say
177
Lucky Numbers
54
Morse Encoder
157
N Queens
217
Niven Numbers
424
Niven Numbers (Long)
30
Number Spiral
377
Odious Numbers
457
Odious Numbers (Long)
72
Pascal’s Triangle
168
Pernicious Numbers
315
Pernicious Numbers (Long)
11
Prime Numbers
456
Prime Numbers (Long)
28
Quine
440447
833
969
Recamán
152
Reverse Polish Notation
804
Reversi
488
Rijndael S-box
290
Rock-paper-scissors-Spock-lizard
658
Seven Segment
538
SI Units
478
Sierpiński Triangle
253
Smith Numbers
148
Tongue-twisters
601
United States
209
Vampire Numbers
249
Van Eck Sequence
65
γ
208
λ
330
π
169
τ
175
φ
141
√2
146
𝑒
141