A151532 - OEIS

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A151532

Number of 1-sided strip polypons with n cells.

4

1, 2, 2, 4, 4, 7, 8, 14, 16, 26, 32, 50, 60, 93, 116, 180, 224, 340, 432, 646, 812, 1215, 1552, 2314, 2944, 4371, 5592, 8252, 10520, 15558, 19928, 29370, 37512, 55318, 70800, 104042, 132900, 195685, 250336, 367662, 469536, 690584, 882664, 1295126, 1653128, 2429594

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..46.

Ed Pegg, Jr., Illustrations of polyforms

Eric Weisstein's World of Mathematics, Polypon

CROSSREFS

Cf. A057784, A151531, A151533.

Sequence in context: A032278 A222738 A005308 * A056503 A256217 A361439

Adjacent sequences: A151529 A151530 A151531 * A151533 A151534 A151535

KEYWORD

nonn,hard,changed

AUTHOR

Ed Pegg Jr, May 13 2009

EXTENSIONS

a(21)-a(46) from Joseph Myers, Oct 02 2011

STATUS

approved