a(n) = A175369(n^3).

Terms

a(0) =1a(1) =9a(2) =89a(3) =617a(4) =2137a(5) =4897a(6) =10625a(7) =19777a(8) =34625a(9) =55217a(10) =84441a(11) =123385a(12) =174329a(13) =243145a(14) =325929a(15) =429329a(16) =557169a(17) =708961a(18) =894625a(19) =1110209a(20) =1363561a(21) =1656505a(22) =1994281