12 Days of Christmas
416
99 Bottles of Beer
454705
Abundant Numbers
733
655
730753
Abundant Numbers (Long)
864826
Arithmetic Numbers
777
Arrows
214
Catalan Numbers
714
Catalan’s Constant
64
Christmas Trees
923618
Collatz
858936
647660919828
859932
Day of Week
1,000
Diamonds
732
Divisors
842
764
907554827884
942985
Emirp Numbers
659886
Emirp Numbers (Long)
538
Evil Numbers
713621
767490719
522854
478
Evil Numbers (Long)
790
720
585834
Factorial Factorisation
76
Fibonacci
895946861
555
1,000579981961783935987607659
Fizz Buzz
784
812891
Foo Fizz Buzz Bar
828971
Fractions
690
530783
Happy Numbers
813
Happy Numbers (Long)
645
Hilbert Curve
79
Kolakoski Sequence
670913
Leap Years
645
753847
Levenshtein Distance
364
Leyland Numbers
763540
Morse Encoder
521
Niven Numbers
856903744
773583929806
875919
Niven Numbers (Long)
769
862887
Odious Numbers
721
818
718
503852
Odious Numbers (Long)
717
828
718
566832
Ordinal Numbers
880
Pangram Grep
666772
Pascal’s Triangle
856
Pernicious Numbers
682
428815
Prime Numbers
710
706
700
705853
Prime Numbers (Long)
727
Quine
615
656
947
Recamán
602641
Reverse Polish Notation
800
826
Seven Segment
430
Sierpiński Triangle
541
Van Eck Sequence
610
𝑒
59609878808697465543375474794437
3810365