|
| |
|
|
A151536
|
|
Number of 2-sided strip polycairos with n cells.
|
|
4
| |
|
|
1, 2, 4, 10, 25, 64, 158, 405, 1018, 2580, 6512, 16435, 41411, 104280, 262161, 658763, 1652954, 4145802, 10386103
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
LINKS
| Ed Pegg, Jr., Illustrations of polyforms
Eric Weisstein's World of Mathematics, Polycairo
|
|
|
CROSSREFS
| Cf. A159866, A151534, A151535.
Sequence in context: A089928 A173610 A036887 * A026269 A000645 A005958
Adjacent sequences: A151533 A151534 A151535 * A151537 A151538 A151539
|
|
|
KEYWORD
| nonn,hard
|
|
|
AUTHOR
| Ed Pegg, Jr., (ed(AT)mathpuzzle.com), May 13 2009
|
|
|
EXTENSIONS
| a(13)-a(19) from Joseph Myers (jsm(AT)polyomino.org.uk), Oct 03 2011
|
| |
|
|