a(n) = n^5 + 5*n^3 + 5*n.

Terms

a(0) =0a(1) =11a(2) =82a(3) =393a(4) =1364a(5) =3775a(6) =8886a(7) =18557a(8) =35368a(9) =62739a(10) =105050a(11) =167761a(12) =257532a(13) =382343a(14) =551614a(15) =776325a(16) =1069136a(17) =1444507a(18) =1918818a(19) =2510489a(20) =3240100a(21) =4130511a(22) =5206982a(23) =6497293a(24) =8031864a(25) =9843875a(26) =11969386a(27) =14447457a(28) =17320268a(29) =20633239