id:A146152 - OEIS Search Results

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Number of n X n binary arrays with all ones connected only either as two by three or three by two blocks.

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1, 1, 5, 13, 47, 375, 3972, 47068, 892007, 26215027, 1025956370, 55524872121, 4474246357794, 516153334755405, 83220252331733856, 19182699863712254411 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`Maximal 8 X 8 example` `.1.1.1.0.0.1.1.1` `.1.1.1.0.0.1.1.1` `.0.0.0.0.0.0.0.0` `.1.1.1.0.0.1.1.1` `.1.1.1.0.0.1.1.1` `.0.0.0.0.0.0.0.0` `.0.1.1.1.0.1.1.1` `.0.1.1.1.0.1.1.1`
	CROSSREFS	`Sequence in context: A120790 A162563 A025545 this_sequence A082132 A138277 A084601` `Adjacent sequences: A146149 A146150 A146151 this_sequence A146153 A146154 A146155`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Oct 27 2008`

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

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