Number of primes <=10^n in which decimal digits are all distinct.

Terms

a(0) =4a(1) =24a(2) =121a(3) =631a(4) =3160a(5) =13399a(6) =47349a(7) =137859a(8) =283086a(9) =283086a(10) =283086a(11) =283086a(12) =283086a(13) =283086a(14) =283086a(15) =283086a(16) =283086a(17) =283086a(18) =283086a(19) =283086a(20) =283086a(21) =283086a(22) =283086a(23) =283086a(24) =283086a(25) =283086a(26) =283086a(27) =283086a(28) =283086a(29) =283086