A022960 a(n) = 4-n.

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, -49, -50, -51, -52, -53, -54

Offset: 0

Author

N. J. A. Sloane

Keywords

• sign
• easy

Links

• Tanya Khovanova, Recursive Sequences.
• Index entries for linear recurrences with constant coefficients, signature (2,-1).

Crossrefs

Cf. A022958 - A022995.

Programs

Mathematica

4-Range[0,60] (* Harvey P. Dale, Sep 21 2011 *)

Formula

G.f.: (4-5*x) / (x-1)^2. - R. J. Mathar, Aug 06 2015