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A012866 a(n+3) = 5*a(n+2)-4*a(n+1)+a(n). 0
0, 1, 2, 6, 23, 93, 379, 1546, 6307, 25730, 104968, 428227, 1746993, 7127025, 29075380, 118615793, 483904470, 1974134558, 8053670703, 32855719753, 134038050511, 546821044246, 2230808738939, 9100797568222 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..23.

Index entries for linear recurrences with constant coefficients, signature (5, -4, 1).

FORMULA

G.f. x*(-1+3*x) / ( -1+5*x-4*x^2+x^3 ). - R. J. Mathar, Dec 22 2011

a(n) = A012814(n)-3*A012814(n-1). - R. J. Mathar, Sep 20 2012

CROSSREFS

Cf. A012855.

Sequence in context: A150287 A150288 A150289 * A150290 A150291 A150292

Adjacent sequences:  A012863 A012864 A012865 * A012867 A012868 A012869

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 22 06:29 EDT 2019. Contains 325213 sequences. (Running on oeis4.)