A197107 - OEIS

A197107

Half the number of nX6 0..3 arrays with no element equal to the average of its horizontal and vertical neighbors

753, 2421376, 6385146382, 16851142959473, 44545247280268585, 117783697209668555853 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 6 of A197109`
	LINKS	`Table of n, a(n) for n=1..6.`
	EXAMPLE	`Some solutions for 4X4` `..1..0..0..0..1..2....1..0..0..0..1..2....1..0..0..0..2..2....1..0..0..0..1..0` `..0..0..1..0..2..0....0..0..1..0..0..0....0..0..1..0..0..0....0..0..1..0..2..0` `..0..0..1..2..0..2....0..0..1..1..1..3....0..0..1..0..0..1....0..0..1..2..2..0` `..1..0..0..0..3..1....1..0..0..0..3..0....1..0..0..2..3..1....1..0..0..1..3..3`
	CROSSREFS	`Sequence in context: A177423 A251330 A092449 * A274235 A304608 A252913` `Adjacent sequences: A197104 A197105 A197106 * A197108 A197109 A197110`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Oct 10 2011`
	STATUS	`approved`

Last modified July 3 10:03 EDT 2022. Contains 355050 sequences. (Running on oeis4.)