A023480 n-38.

-38, -37, -36, -35, -34, -33, -32, -31, -30, -29, -28, -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -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

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

a(n) = 2 a(n-1) - a(n-2). a(n) = -A022994(n) = A256958(n-38). G.f.: (-38 + 39*x)/(1 - x)^2. - M. F. Hasler, Apr 18 2015

Maple

A023480 := n -> n-38; # M. F. Hasler, Apr 18 2015

Mathematica

Range[0, 60]-38 (* M. F. Hasler, Apr 18 2015 *)

Prog

(PARI) a(n)=n-38 \\ M. F. Hasler, Apr 18 2015

Crossrefs

Cf. A256958, A001057, A000027, A001477, A023443, ..., A023479, A023481, A023482, A022958, ..., A022996.

Sequence in context: A070725 A249280 A022994 * A036743 A274301 A165859

Adjacent sequences: A023477 A023478 A023479 * A023481 A023482 A023483

Keyword

sign,easy

Author

N. J. A. Sloane.

Status

approved