A202046 - OEIS

A202046

Number of zero-sum nX7 -1..1 arrays with every element unequal to at most two horizontal and vertical neighbors

393, 37311, 1067983, 49553277, 2229078023, 108356007319 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 7 of A202047`
	LINKS	`Table of n, a(n) for n=1..6.`
	EXAMPLE	`Some solutions for n=2` `..1.-1.-1..1.-1.-1..1...-1.-1..1.-1..1..0.-1....0.-1.-1..0..1.-1.-1` `.-1..1..1..1..1.-1.-1....0..0..1.-1..1..0..1....1..1..0..0..1..1.-1`
	CROSSREFS	`Sequence in context: A201815 A201554 A172636 * A172737 A172813 A172872` `Adjacent sequences: A202043 A202044 A202045 * A202047 A202048 A202049`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Dec 10 2011`
	STATUS	`approved`

Last modified August 12 04:28 EDT 2022. Contains 356067 sequences. (Running on oeis4.)