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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
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Polypon
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Ed Pegg Jr, May 13 2009
EXTENSIONS
a(21)-a(46) from Joseph Myers, Oct 02 2011
STATUS
approved