a(n) = 2^(5*n + 1).A013822a(n) = 2^(5*n + 1).Terms a(0) =2a(1) =64a(2) =2048a(3) =65536a(4) =2097152a(5) =67108864a(6) =2147483648a(7) =68719476736External referencesoeis: A013822