Inverse modulo 2 binomial transform of 8^n.

Terms

a(0) =1a(1) =7a(2) =63a(3) =441a(4) =4095a(5) =28665a(6) =257985a(7) =1805895a(8) =16777215a(9) =117440505a(10) =1056964545a(11) =7398751815a(12) =68702695425a(13) =480918867975