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A066931 Number of ways to tile hexagon of edge n with diamonds of side 1, not counting rotations and reflections as different. 2
1, 1, 6, 113, 20174 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

LINKS

R. K. Guy and D. J. Reble, Illustration of initial terms

CROSSREFS

Cf. A008793.

Sequence in context: A009612 A009798 A088668 * A051228 A194132 A194476

Adjacent sequences:  A066928 A066929 A066930 * A066932 A066933 A066934

KEYWORD

nonn,more

AUTHOR

R. K. Guy (rkg(AT)cpsc.ucalgary.ca), Feb 05 2002

EXTENSIONS

One more term from Don Reble (djr(AT)nk.ca), Feb 07 2002

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Last modified February 17 19:04 EST 2012. Contains 206081 sequences.