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A023482 n-40. 17
-40, -39, -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 (list; graph; refs; listen; history; text; internal format)
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) = -A022996(n). G.f.: (-40 + 41*x)/(1 - x)^2. - M. F. Hasler, Apr 18 2015

MATHEMATICA

Range[0, 60]-37 (* M. F. Hasler, Apr 19 2015 *)

PROG

(PARI) a(n)=n-40 \\ M. F. Hasler, Apr 18 2015

CROSSREFS

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

Sequence in context: A070724 A035878 A022996 * A273770 A165861 A082763

Adjacent sequences:  A023479 A023480 A023481 * A023483 A023484 A023485

KEYWORD

sign,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 20 22:26 EDT 2017. Contains 290837 sequences.