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A151535 Number of 1-sided strip polycairos with n cells. 4
1, 3, 7, 19, 47, 125, 310, 803, 2020, 5144, 12986, 32829, 82728, 208461, 524092, 1317284, 3305350, 8291010, 20770830 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..19.

Ed Pegg, Jr., Illustrations of polyforms

Eric Weisstein's World of Mathematics, Polycairo

CROSSREFS

Cf. A159866, A151534, A151536.

Sequence in context: A209397 A110014 A026581 * A181360 A001372 A179467

Adjacent sequences:  A151532 A151533 A151534 * A151536 A151537 A151538

KEYWORD

nonn,hard,more

AUTHOR

Ed Pegg Jr, May 13 2009

EXTENSIONS

a(13)-a(19) from Joseph Myers, Oct 03 2011

STATUS

approved

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Last modified February 22 13:09 EST 2018. Contains 299454 sequences. (Running on oeis4.)