

A099206


Expansion of x^2*(2*x^11+2*x^9+2*x^8+x^7+2*x^6+x^5+x^4+x^3x^2x1) / (x^9+x^6+2*x^31).


3



0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 6, 2, 6, 15, 6, 15, 38, 15, 38, 97, 38, 97, 247, 97, 247, 629, 247, 629, 1602, 629, 1602, 4080, 1602, 4080, 10391, 4080, 10391, 26464, 10391, 26464, 67399, 26464, 67399, 171653, 67399, 171653, 437169, 171653, 437169
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OFFSET

1,9


COMMENTS

Variant of three copies of A109545.  R. J. Mathar, Jul 10 2012


LINKS

Table of n, a(n) for n=1..50.
Stewart R. Hinsley, A Tile Associated with the 8th Unit Cubic Pisot Number [Broken link?]
Richard Kenyon, The Construction of SelfSimilar Tilings, arXiv:math.MG/9505210


MATHEMATICA

CoefficientList[Series[x^2*(2*x^11 + 2*x^9 + 2*x^8 + x^7 + 2*x^6 + x^5 + x^4 + x^3  x^2  x  1)/(x^9 + x^6 + 2*x^3  1), {x, 0, 100}], x]


CROSSREFS

Sequence in context: A050977 A053448 A060550 * A269223 A121341 A241737
Adjacent sequences: A099203 A099204 A099205 * A099207 A099208 A099209


KEYWORD

nonn,easy


AUTHOR

Roger L. Bagula, Mar 19 2005


EXTENSIONS

Better name from Colin Barker, Dec 26 2012


STATUS

approved



