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A030235 Number of n-celled polyplets without bilateral symmetry. 0
0, 0, 1, 12, 72, 467, 2900, 18426, 117323, 756237, 4910525, 32135651, 211604221, 1401106330, 9321239836, 62271754986, 417545272654 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..17.

Eric Weisstein's World of Mathematics, Polyplet.

CROSSREFS

Cf. A030222.

Sequence in context: A036398 A125322 A126480 * A088166 A138402 A108734

Adjacent sequences:  A030232 A030233 A030234 * A030236 A030237 A030238

KEYWORD

nonn,hard

AUTHOR

David W. Wilson

EXTENSIONS

More terms from Joseph Myers, Sep 26 2002

STATUS

approved

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Last modified February 19 09:07 EST 2018. Contains 299330 sequences. (Running on oeis4.)