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A175790 Expansion of 1/((1 - x^3 - x^4)*(1 + x)). 2
1, -1, 1, 0, 1, -1, 2, 0, 1, 0, 3, 0, 2, 2, 4, 1, 5, 5, 6, 5, 11, 10, 12, 15, 22, 21, 28, 36, 44, 48, 65, 79, 93, 112, 145, 171, 206, 256, 317, 376, 463, 572, 694, 838, 1036, 1265, 1533, 1873, 2302, 2797, 3407, 4174, 5100, 6203, 7582, 9273, 11304, 13784 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,7
COMMENTS
The sequence has limiting ratio 1.220744084605761... .
LINKS
FORMULA
G.f.: 1/((1 - x^3 - x^4)*(1 + x)).
a(n) = -a(n-1) + a(n-3) + 2*a(n-4) + a(n-5). - Matthew House, Jan 15 2017
MATHEMATICA
Table[SeriesCoefficient[Series[1/((1 - x^3 - x^4)*(1 + x)), {x, 0, 50}], n], {n, 0, 50}]
LinearRecurrence[{-1, 0, 1, 2, 1}, {1, -1, 1, 0, 1}, 60] (* Harvey P. Dale, Feb 02 2019 *)
CROSSREFS
Sequence in context: A308066 A052173 A177825 * A124305 A349395 A087073
KEYWORD
sign
AUTHOR
Roger L. Bagula, Dec 04 2010
STATUS
approved

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Last modified July 12 08:52 EDT 2024. Contains 374239 sequences. (Running on oeis4.)