A067423 Eighth column of triangle A067417.

1, 10, 240, 5760, 138240, 3317760, 79626240, 1911029760, 45864714240, 1100753141760, 26418075402240, 634033809653760, 15216811431690240, 365203474360565760, 8764883384653578240, 210357201231685877760

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..700

Index entries for linear recurrences with constant coefficients, signature (24).

Formula

a(n) = A067417(n+7, 7).

a(n) = 10*(3*8)^(n-1), n >= 1, a(0)=1.

G.f.: (1-14*x)/(1-24*x).

Prog

(Magma) [Ceiling(10*(3*8)^(n-1)): n in [0..20]]; // Vincenzo Librandi, Oct 02 2011

Crossrefs

Cf. A067422 (seventh column), A067424 (ninth column), A009968 (powers of 24).

Sequence in context: A013922 A215835 A006423 * A221099 A171204 A156443

Adjacent sequences: A067420 A067421 A067422 * A067424 A067425 A067426

Keyword

nonn,easy

Author

Wolfdieter Lang, Jan 25 2002

Status

approved