A030235 Number of n-celled polyplets without bilateral symmetry.

0, 0, 1, 12, 72, 467, 2900, 18426, 117323, 756237, 4910525, 32135651, 211604221, 1401106330, 9321239836, 62271754986, 417545272654

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 A303505

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