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A022410 a(n)=a(n-1)+a(n-2)+1. 0
3, 11, 15, 27, 43, 71, 115, 187, 303, 491, 795, 1287, 2083, 3371, 5455, 8827, 14283, 23111, 37395, 60507, 97903, 158411, 256315, 414727, 671043, 1085771, 1756815, 2842587, 4599403, 7441991, 12041395 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (2,0,-1)

FORMULA

a(n+1)-a(n) = A156279(n). G.f. ( 3+5*x-7*x^2 ) / ( (x-1)*(x^2+x-1) ). - R. J. Mathar, Mar 11 2011

CROSSREFS

Sequence in context: A060698 A186302 A046159 * A146254 A039503 A192161

Adjacent sequences:  A022407 A022408 A022409 * A022411 A022412 A022413

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 18:57 EST 2012. Contains 205848 sequences.