Number of positive integers <= 10^n that are divisible by no prime exceeding 17.

Terms

a(0) =1a(1) =10a(2) =67a(3) =287a(4) =945a(5) =2579a(6) =6179a(7) =13389a(8) =26809a(9) =50351a(10) =89679a(11) =152751a(12) =250420a(13) =397227a(14) =612185a(15) =919814a(16) =1351182a(17) =1945205a(18) =2750000a(19) =3824456a(20) =5239923a(21) =7082118a(22) =9453184a(23) =12473898a(24) =16286197a(25) =21055745a(26) =26974877a(27) =34265658a(28) =43183191a(29) =54019174