id:A147426 - OEIS Search Results

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Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 10101-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 5, 15, 25, 53, 121, 291, 811, 2486 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.1.0.1.0.1.1` `.1.1.1.1.1.0.1.0` `.0.0.0.0.0.0.1.1` `.1.1.0.0.0.0.1.0` `.0.1.0.0.0.0.1.1` `.1.1.0.0.0.0.0.0` `.0.1.0.1.1.1.1.1` `.1.1.0.1.0.1.0.1`
	CROSSREFS	`Sequence in context: A068528 A061443 A147495 this_sequence A100437 A067533 A110343` `Adjacent sequences: A147423 A147424 A147425 this_sequence A147427 A147428 A147429`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.