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A057766 Total area of all n-celled polyominoes. 0
1, 2, 6, 20, 60, 210, 756, 2952, 11565, 46550, 187803, 763200, 3101683, 12627594, 51398640, 209268080, 851834453, 3467196936, 14109860408, 57413439000, 233584274238, 950220869136, 3865081177744, 15719992809672, 63930676119100 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Andrew Clarke, Isoperimetrical Polyominoes

FORMULA

Equals n*A000105(n).

CROSSREFS

Sequence in context: A081251 A134293 A136883 * A132353 A052958 A177792

Adjacent sequences:  A057763 A057764 A057765 * A057767 A057768 A057769

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 04 2000

EXTENSIONS

More terms from David Wasserman (dwasserm(AT)earthlink.net), Oct 26 2003

Link updated by William Rex Marshall (w.r.marshall(AT)actrix.co.nz), Dec 16 2009

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Last modified February 14 13:08 EST 2012. Contains 205623 sequences.