A155460 a(n) = 8*a(n-1)+49*a(n-2), n>2 ; a(0)=1, a(1)=1, a(2)=8 .

1, 1, 8, 113, 1296, 15905, 190744, 2305297, 27788832, 335270209, 4043814440, 48778755761, 588376953648, 7097174661473, 85607868020536, 1032624502576465, 12455781553617984, 150244853055190657, 1812292120568806472

Offset

0,3

Links

Table of n, a(n) for n=0..18.

Index entries for linear recurrences with constant coefficients, signature (8,49).

Formula

G.f.: (1-7*x-49*x^2)/(1-8*x-49*x^2).

Mathematica

LinearRecurrence[{8, 49}, {1, 1, 8}, 25] (* Paolo Xausa, Jan 29 2024 *)

Crossrefs

Sequence in context: A296467 A164774 A259590 * A064090 A092084 A072402

Adjacent sequences: A155457 A155458 A155459 * A155461 A155462 A155463

Keyword

nonn

Author

Philippe Deléham, Jan 22 2009

Status

approved