A221071 - OEIS

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A221071

Sum of neighbor maps: number of nX7 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their king-move neighbors in a random 0..3 nX7 array

128, 1364, 2097152, 268435456, 25241048576, 4398046511104, 562949953421312, 70342550622109696 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 7 of A221072`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`Some solutions for n=3` `..0..0..0..0..1..1..1....0..0..1..0..0..1..1....0..0..0..0..1..1..1` `..0..0..1..0..0..0..0....0..0..1..0..0..1..0....0..0..0..0..1..0..0` `..0..0..0..0..0..0..0....0..1..1..1..0..0..1....0..1..0..0..0..1..0`
	CROSSREFS	`Sequence in context: A133061 A188822 A181211 * A070055 A247930 A200842` `Adjacent sequences: A221068 A221069 A221070 * A221072 A221073 A221074`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Dec 31 2012`
	STATUS	`approved`

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Last modified December 9 20:47 EST 2023. Contains 367695 sequences. (Running on oeis4.)