a(n) = 2025*n^2 - n.

Terms

a(0) =2024a(1) =8098a(2) =18222a(3) =32396a(4) =50620a(5) =72894a(6) =99218a(7) =129592a(8) =164016a(9) =202490a(10) =245014a(11) =291588a(12) =342212a(13) =396886a(14) =455610a(15) =518384a(16) =585208a(17) =656082a(18) =731006a(19) =809980a(20) =893004a(21) =980078a(22) =1071202a(23) =1166376a(24) =1265600a(25) =1368874a(26) =1476198a(27) =1587572a(28) =1702996a(29) =1822470