Number of ways to write n as an ordered sum of 9 squarefree numbers.

Terms

a(0) =1a(1) =9a(2) =45a(3) =156a(4) =423a(5) =963a(6) =1959a(7) =3708a(8) =6669a(9) =11410a(10) =18594a(11) =29052a(12) =44046a(13) =65196a(14) =94284a(15) =133104a(16) =184248a(17) =251406a(18) =338995a(19) =450936a(20) =591885a(21) =768657a(22) =990567a(23) =1265832a(24) =1602273a(25) =2010294a(26) =2506572a(27) =3107136a(28) =3825675a(29) =4676643