a(n) = (6*n + 4)^7.A016963a(n) = (6*n + 4)^7.Terms a(0) =16384a(1) =10000000a(2) =268435456a(3) =2494357888a(4) =13492928512a(5) =52523350144a(6) =163840000000a(7) =435817657216External referencesoeis: A016963