a(n) = 18522*n - 10248.

Terms

a(0) =8274a(1) =26796a(2) =45318a(3) =63840a(4) =82362a(5) =100884a(6) =119406a(7) =137928a(8) =156450a(9) =174972a(10) =193494a(11) =212016a(12) =230538a(13) =249060a(14) =267582a(15) =286104a(16) =304626a(17) =323148a(18) =341670a(19) =360192a(20) =378714a(21) =397236a(22) =415758a(23) =434280a(24) =452802a(25) =471324a(26) =489846a(27) =508368a(28) =526890a(29) =545412