A067415 Eighth column of triangle A067410.

1, 9, 144, 2304, 36864, 589824, 9437184, 150994944, 2415919104, 38654705664, 618475290624, 9895604649984, 158329674399744, 2533274790395904, 40532396646334464, 648518346341351424

Offset

0,2

Links

Table of n, a(n) for n=0..15.

Index entries for linear recurrences with constant coefficients, signature (16).

Formula

a(n)= A067410(n+7, 7). a(n)= 9*16^(n-1), n>=1, a(0)=1.

G.f.: (1-7*x)/(1-16*x).

Crossrefs

Cf. A067414 (seventh column), A067416 (ninth column), A001025 (powers of 16).

Sequence in context: A281789 A134176 A325173 * A069134 A034829 A162993

Adjacent sequences: A067412 A067413 A067414 * A067416 A067417 A067418

Keyword

nonn,easy

Author

Wolfdieter Lang, Jan 25 2002

Status

approved