A151530 Number of 2-sided strip polykites with n cells.

1, 2, 3, 7, 14, 31, 63, 141, 297, 649, 1391, 3026, 6539, 14187, 30619, 66172, 142667, 307883, 663506, 1429816, 3077752, 6622351

Offset

1,2

Links

Table of n, a(n) for n=1..22.

Ed Pegg, Jr., Illustrations of polyforms

Eric Weisstein's World of Mathematics, Polykite

Crossrefs

Sequence in context: A112884 A103421 A205484 * A180752 A000642 A348530

Adjacent sequences: A151527 A151528 A151529 * A151531 A151532 A151533

Keyword

nonn,hard,more

Author

Ed Pegg Jr, May 13 2009

Extensions

a(15)-a(22) from Joseph Myers, Nov 28 2010

Status

approved