a(n) = 14641*n^2 - 24684*n + 10405.

Terms

a(0) =362a(1) =19601a(2) =68122a(3) =145925a(4) =253010a(5) =389377a(6) =555026a(7) =749957a(8) =974170a(9) =1227665a(10) =1510442a(11) =1822501a(12) =2163842a(13) =2534465a(14) =2934370a(15) =3363557a(16) =3822026a(17) =4309777a(18) =4826810a(19) =5373125a(20) =5948722a(21) =6553601a(22) =7187762a(23) =7851205a(24) =8543930a(25) =9265937