A086092 4^n+3n5^(n-1).

1, 7, 46, 289, 1756, 10399, 60346, 344509, 1940536, 10809019, 59642326, 326459929, 1774589716, 9588593239, 51537966706, 275731944949, 1469138717296, 7799162291059, 41267449945486, 217712622047569, 1145508691315276

Offset

0,2

Comments

Binomial transform of A086091.

Links

Table of n, a(n) for n=0..20.

Index entries for linear recurrences with constant coefficients, signature (14,-65,100).

Formula

G.f.: (1-7x+13x^2)/((1-4x)(1-5x)^2)

Crossrefs

Sequence in context: A171010 A258630 A264201 * A081894 A128597 A190972

Adjacent sequences: A086089 A086090 A086091 * A086093 A086094 A086095

Keyword

easy,nonn

Author

Paul Barry, Jul 09 2003

Status

approved