a(n) = (8*n + 2)^7.A017095a(n) = (8*n + 2)^7.Terms a(0) =128a(1) =10000000a(2) =612220032a(3) =8031810176a(4) =52523350144a(5) =230539333248a(6) =781250000000External referencesoeis: A017095