A027014 a(n) = T(2*n, n+3), T given by A027011.

1, 10, 203, 1719, 9484, 40615, 147760, 481849, 1458335, 4194686, 11658332, 31674918, 84807212, 224985864, 593525255, 1560542957, 4095205128, 10735046293, 28123686540, 73654666767, 192865240859, 504973920796, 1322099323816, 3461379173004, 9062108456296

Offset

3,2

Links

Colin Barker, Table of n, a(n) for n = 3..1000

Index entries for linear recurrences with constant coefficients, signature (10,-43,105,-161,161,-105,43,-10,1).

Formula

G.f.: x^3*(1+146*x^2+14*x^3+134*x^4-174*x^5+105*x^6-43*x^7+10*x^8-x^9) / ((1-x)^7*(1-3*x+x^2)). - Colin Barker, Feb 19 2016

Prog

(PARI) Vec(x^3*(1+146*x^2+14*x^3+134*x^4-174*x^5+105*x^6-43*x^7+10*x^8-x^9)/((1-x)^7*(1-3*x+x^2)) + O(x^40)) \\ Colin Barker, Feb 19 2016

Crossrefs

Sequence in context: A041180 A367200 A365177 * A088746 A293970 A356973

Adjacent sequences: A027011 A027012 A027013 * A027015 A027016 A027017

Keyword

nonn,easy

Author

Clark Kimberling

Status

approved