12 Days of Christmas
619
99 Bottles of Beer
669
Abundant Numbers
841
Abundant Numbers (Long)
904
Arabic to Roman
1,000
Arithmetic Numbers
514
Arrows
556
Ascending Primes
419
ASCII Table
547
Card Number Validation
554
Catalan Numbers
1,000
Catalan’s Constant
111
Christmas Trees
722
Collatz
903
Cubes
574
Diamonds
314
Divisors
817
Emirp Numbers
481
Emirp Numbers (Long)
326
717
Evil Numbers
1,000
Evil Numbers (Long)
1,000
Farey Sequence
404
Fibonacci
750
Fizz Buzz
1,000
802
883
Foo Fizz Buzz Bar
888
713
Fractions
902
Gijswijt’s Sequence
220
Happy Numbers
436
Happy Numbers (Long)
636
Intersection
560
Inventory Sequence
548
ISBN
816
Jacobi Symbol
632
Kolakoski Constant
128
Kolakoski Sequence
626
Leap Years
741
Levenshtein Distance
713
Leyland Numbers
582
Look and Say
638
Lucky Numbers
627
Morse Decoder
422
Morse Encoder
518
N Queens
780
Niven Numbers
619
Niven Numbers (Long)
850
Number Spiral
703
Odious Numbers
1,000
Odious Numbers (Long)
1,000
Ordinal Numbers
804
Pangram Grep
1,000
Pascal’s Triangle
375
Pernicious Numbers
463
Pernicious Numbers (Long)
523
Prime Numbers
632
Prime Numbers (Long)
685
Quine
1,000
373
923
487
365
462
556
600
1,000
700
796
930
694
1,000
722
584
632
893
1,000
969
436
962
1,000
719
Recamán
782
Reverse Polish Notation
638
Roman to Arabic
793
Seven Segment
484
Sierpiński Triangle
580
Smith Numbers
812
Spelling Numbers
1,000
Star Wars Opening Crawl
240
Time Distance
614
Tongue-twisters
684
Transpose Sentence
428
United States
560
Van Eck Sequence
727
λ
208
π
155
τ
52
φ
52
√2
818
𝑒
40