A145014 - OEIS

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A145014

Number of n X n nonnegative integer arrays with every 2 X 2 subblock summing to 4.

35, 259, 1059, 5395, 19091, 84499, 284451, 1180243, 3922835 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	CROSSREFS	`Sequence in context: A068722 A113941 A067238 * A090646 A055658 A125773` `Adjacent sequences: A145011 A145012 A145013 * A145015 A145016 A145017`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net), Sep 29 2008`
	EXTENSIONS	`Changed positive to nonnegative, added n X n. - R. H. Hardin (rhhardin(AT)att.net), Sep 30 2008`

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.