A133671 a(n) = a(n-1) - 64*a(n-2), a(0)=1, a(1)=8.

1, 8, -56, -568, 3016, 39368, -153656, -2673208, 7160776, 178246088, -280043576, -11687793208, 6234995656, 754253760968, 355214038984, -47917026662968, -70650725157944, 2996038981272008, 7517685391380424, -184228809410028088

Offset: 0

Author

Philippe Deléham, Dec 29 2007

Keywords

• easy
• sign

Links

• Index entries for linear recurrences with constant coefficients, signature (1, -64).

Crossrefs

Cf. A133607.

Formula

G.f.: (1+7*x)/(1-x+64*x^2).

a(n) = Sum_{k=0..n} A133607(n,k)*8^k. - Philippe Deléham, Dec 30 2007