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A023444 n-2. 9
-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, 55 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..57.

Tanya Khovanova, Recursive Sequences

Robert G. Wilson v, American English names for the numbers from 0 to 100999 without spaces or hyphens.

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

FORMULA

G.f.: -(2-3*x)/(1-x)^2. - Bruno Berselli, Sep 02 2011

a(n) = 2 a(n-1) - a(n-2). a(n) = -A022958(n). - M. F. Hasler, Apr 18 2015

PROG

(PARI) a(n)=n-2

CROSSREFS

Cf. A256958, A001057, A000027, A001477, A023443, A023445, ..., A023482, A022958, ..., A022996.

Sequence in context: A065358 A062329 A022958 * A248157 A290428 A136868

Adjacent sequences:  A023441 A023442 A023443 * A023445 A023446 A023447

KEYWORD

sign,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 18 08:18 EDT 2017. Contains 290685 sequences.