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A013985 Expansion of 1/(1-x^2-x^3-x^4-x^5-x^6-x^7-x^8). 1
1, 0, 1, 1, 2, 3, 5, 8, 13, 20, 33, 52, 84, 134, 215, 344, 551, 882, 1413, 2262, 3623, 5801, 9290, 14876, 23822, 38147, 61087, 97821, 156646, 250844, 401689, 643243, 1030056, 1649477, 2641386, 4229776, 6773341 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

R. Mullen, On Determining Paint by Numbers Puzzles with Nonunique Solutions, JIS 12 (2009) 09.6.5

MATHEMATICA

CoefficientList[Series[1 / (1 - x^2 - x^3 - x^4 - x^5 - x^6 - x^7 - x^8), {x, 0, 40}], x] (* Vincenzo Librandi, Jun 23 2013 *)

CROSSREFS

See A000045 for the Fibonacci numbers.

Sequence in context: A023437 A322332 A225394 * A092834 A080106 A293644

Adjacent sequences:  A013982 A013983 A013984 * A013986 A013987 A013988

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 5 23:41 EDT 2021. Contains 343579 sequences. (Running on oeis4.)