A119516 Expansion of x*(7*x^3+7*x^2+9*x+1)/(5*x^4+10*x^2+1).

0, 1, 9, -3, -83, 25, 785, -235, -7435, 2225, 70425, -21075, -667075, 199625, 6318625, -1890875, -59850875, 17910625, 566915625, -169651875, -5369901875, 1606965625, 50864440625, -15221396875, -481794896875, 144179140625, 4563626765625, -1365684421875, -43227293171875

Offset

0,3

Links

Table of n, a(n) for n=0..28.

Index entries for linear recurrences with constant coefficients, signature (0,-10,0,-5).

Formula

G.f.: x*(7*x^3+7*x^2+9*x+1)/(5*x^4+10*x^2+1). [Colin Barker, Nov 01 2012]

Crossrefs

Sequence in context: A367826 A302536 A038293 * A193109 A242069 A197828

Adjacent sequences: A119513 A119514 A119515 * A119517 A119518 A119519

Keyword

sign,less,easy

Author

Roger L. Bagula, Jul 27 2006

Extensions

Meaningful name from Joerg Arndt, Dec 26 2022

Status

approved