a(n) is the number of numbers removed in each step of Eratosthenes's sieve for 9!.

Terms

a(0) =181439a(1) =60479a(2) =24191a(3) =13823a(4) =7540a(5) =5800a(6) =4092a(7) =3446a(8) =2701a(9) =2046a(10) =1842a(11) =1487a(12) =1296a(13) =1200a(14) =1070a(15) =927a(16) =817a(17) =782a(18) =703a(19) =665a(20) =645a(21) =600a(22) =574a(23) =538a(24) =498a(25) =477a(26) =465a(27) =451a(28) =441a(29) =425