Christmas Trees
723
Cubes
644
Diamonds
588
Divisors
919
880Emirp Numbers
673
720Evil Numbers
909
750Fibonacci
947
833Fizz Buzz
935
Happy Numbers
721
Leap Years
843
635Leyland Numbers
849
Niven Numbers
759
872Odious Numbers
889
757Ordinal Numbers
931
Pangram Grep
837
Pascal’s Triangle
982
Pernicious Numbers
702
592Prime Numbers
889
939Prime Numbers (Long)
698
Rock-paper-scissors-Spock-lizard
496
Sierpiński Triangle
547
π
667τ
627φ
716
473√2
721
538𝑒
716
709