A022968 a(n) = 12-n.

12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39, -40, -41, -42, -43, -44, -45, -46, -47, -48

Offset

0,1

Links

Table of n, a(n) for n=0..60.

Tanya Khovanova, Recursive Sequences.

Index entries for linear recurrences with constant coefficients, signature (2,-1).

Formula

G.f.: ( 12-13*x ) / ( (x-1)^2 ). - R. J. Mathar, Aug 26 2015

a(n) = 2*a(n-1)-a(n-2). - Wesley Ivan Hurt, Aug 17 2021

Mathematica

12-Range[0, 70] (* Harvey P. Dale, May 19 2019 *)

Crossrefs

Cf. A022958 - A022995.

Sequence in context: A175042 A255134 A109065 * A023454 A055123 A320636

Adjacent sequences: A022965 A022966 A022967 * A022969 A022970 A022971

Keyword

sign,easy

Author

N. J. A. Sloane

Status

approved