a(n) is the number of numbers removed in each step of Eratosthenes's sieve for 10!.

Terms

a(0) =1814399a(1) =604799a(2) =241919a(3) =138239a(4) =75402a(5) =58003a(6) =40941a(7) =34478a(8) =26982a(9) =20473a(10) =18496a(11) =15008a(12) =13184a(13) =12266a(14) =10957a(15) =9492a(16) =8342a(17) =7920a(18) =7057a(19) =6538a(20) =6248a(21) =5667a(22) =5317a(23) =4874a(24) =4414a(25) =4181a(26) =4057a(27) =3866a(28) =3752a(29) =3582