id:A147086 - OEIS Search Results

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Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 10001-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 5, 13, 33, 133, 443, 1649, 9331, 62887, 470664, 4206245, 41999179, 473581733, 6364226039, 101605745953, 1937023317718, 43487285044885, 1131769983108977 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.0.0.0` `.0.0.0.1.0.0.0.1` `.0.0.0.1.1.1.1.1` `.0.1.1.0.0.0.0.0` `.0.0.1.0.0.0.0.0` `.0.0.1.0.0.0.0.0` `.0.0.1.0.0.0.0.0` `.0.1.1.0.0.0.0.0`
	CROSSREFS	`Sequence in context: A109786 A055426 A146621 this_sequence A032406 A146917 A106587` `Adjacent sequences: A147083 A147084 A147085 this_sequence A147087 A147088 A147089`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research