Number of positive integers <= 10^n that are divisible by no prime exceeding 11.

Terms

a(0) =1a(1) =10a(2) =55a(3) =192a(4) =522a(5) =1197a(6) =2432a(7) =4520a(8) =7838a(9) =12867a(10) =20193a(11) =30524a(12) =44696a(13) =63694a(14) =88658a(15) =120895a(16) =161885a(17) =213294a(18) =276997a(19) =355082a(20) =449849a(21) =563834a(22) =699826a(23) =860861a(24) =1050260a(25) =1271598a(26) =1528765a(27) =1825937a(28) =2167611a(29) =2558606