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A093937 Number of tilings of a centro-symmetric octagon of integral sides, all of length n, into squares and 45 degree rhombi with unitary side lengths. 0
8, 5383, 273976272, 1043065776718923, 296755610108278480324496, 6311874633104458029014418062576427, 10042431607269542604521005988830015956735912072, 1195803046003221669232199949110252888466561872833354476549925 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

N. Destainville, R. Mosseri and F. Bailly, A formula for the number of tilings of an octagon by rhombi

CROSSREFS

Sequence in context: A055319 A029736 A206460 * A178329 A062030 A052497

Adjacent sequences:  A093934 A093935 A093936 * A093938 A093939 A093940

KEYWORD

nonn,hard

AUTHOR

Ralf Stephan, May 23 2004

EXTENSIONS

More terms from Maxwell Hutchinson (maxhutch(AT)gmail.com), Dec 23 2010

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Last modified February 17 18:57 EST 2012. Contains 206074 sequences.