a(n) = (2^n + 1)^4 - 2.A099360a(n) = (2^n + 1)^4 - 2.Terms a(0) =14a(1) =79a(2) =623a(3) =6559a(4) =83519a(5) =1185919a(6) =17850623a(7) =276922879a(8) =4362470399a(9) =69257922559External referencesoeis: A099360