Constructor7
Christmas Trees
747
Divisors
932
Emirp Numbers
885
Evil Numbers
957
Fibonacci
934
Fizz Buzz
891
Happy Numbers
812
Niven Numbers
863
Odious Numbers
910
Pangram Grep
771
Pascal’s Triangle
855
Pernicious Numbers
798
Prime Numbers
934
Quine
946
Sierpiński Triangle
615
π
811
τ
805
φ
885
𝑒
731