A198657 - OEIS

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A198657

Number of nX3 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor

1, 14, 185, 3904, 98467, 3053286, 109133049, 4460603630, 202661109307, 10057569576034, 533251017131222, 29684104738808241, 1708995821028336330, 100671800330158890680, 6020806089426293935506, 363687165160204642974491 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Column 3 of A198661`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..138`
	EXAMPLE	`Some solutions with all values 0 to 7 for n=6` `..0..0..1....0..1..1....0..1..1....0..1..2....0..0..1....0..1..1....0..1..1` `..2..2..1....0..2..2....0..0..2....0..1..2....2..2..1....0..2..3....0..2..2` `..3..4..5....3..3..4....3..3..2....3..3..4....3..3..4....0..2..3....3..3..2` `..3..4..5....5..3..4....4..5..6....5..5..4....5..5..4....4..5..5....4..4..5` `..6..6..0....5..6..7....4..5..6....6..6..6....6..6..4....4..6..6....6..5..5` `..7..7..0....6..6..7....4..7..7....7..7..6....7..7..7....7..7..6....6..7..7`
	CROSSREFS	`Sequence in context: A198703 A198622 A198650 * A055759 A275084 A086946` `Adjacent sequences: A198654 A198655 A198656 * A198658 A198659 A198660`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Oct 28 2011`
	STATUS	`approved`

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Last modified March 24 20:36 EDT 2023. Contains 361510 sequences. (Running on oeis4.)