A329517 Expansion of (2*x^6 - 3*x^4 - 3*x^3 - 3*x^2 - 2*x - 1)/(x - 1).

1, 3, 6, 9, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

Offset: 0

Author

N. J. A. Sloane, Nov 25 2019

Keywords

• nonn

Links

• Index entries for linear recurrences with constant coefficients, signature (1).

Crossrefs

Row n=2 in array in A329515.

Programs

Mathematica

CoefficientList[Series[(2x^6-3x^4-3x^3-3x^2-2x-1)/(x-1),{x,0,100}],x] (* or *) PadRight[ {1,3,6,9,12,12},100,{10}] (* Harvey P. Dale, Mar 07 2024 *)

Formula

G.f.: (2*x^6 - 3*x^4 - 3*x^3 - 3*x^2 - 2*x - 1)/(x - 1).

a(n) = 10 for n >= 6.