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A214830 a(n) = a(n-1) + a(n-2) + a(n-3), with a(0) = 1, a(1) = a(2) = 8. 5
1, 8, 8, 17, 33, 58, 108, 199, 365, 672, 1236, 2273, 4181, 7690, 14144, 26015, 47849, 88008, 161872, 297729, 547609, 1007210, 1852548, 3407367, 6267125, 11527040, 21201532, 38995697, 71724269, 131921498, 242641464, 446287231, 820850193, 1509778888 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

See comments in A214727.

LINKS

Robert Price, Table of n, a(n) for n = 0..1000

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

FORMULA

G.f.: (x^2-7*x-1)/(x^3+x^2+x-1).

MATHEMATICA

CoefficientList[Series[(x^2 - 7*x - 1)/(x^3 + x^2 + x - 1), {x, 0, 30}], x] (* Wesley Ivan Hurt, Jun 18 2014 *)

CROSSREFS

Cf. A000213, A000288, A000322, A000383, A060455, A136175, A141036, A141523, A214825-A214831.

Sequence in context: A168409 A135405 A006784 * A168456 A298166 A298956

Adjacent sequences:  A214827 A214828 A214829 * A214831 A214832 A214833

KEYWORD

nonn,easy

AUTHOR

Abel Amene, Aug 07 2012

STATUS

approved

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Last modified February 18 20:32 EST 2018. Contains 299330 sequences. (Running on oeis4.)