A209214 - OEIS

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A209214

Number of nX3 1..7 arrays with every element value z a city block distance of exactly z from another element value z

1, 16, 488, 26029, 1958627, 201001373 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Column 3 of A209215`
	LINKS	`Table of n, a(n) for n=1..6.`
	EXAMPLE	`Some solutions for n=4` `..2..4..3....2..3..2....3..2..3....1..1..5....5..1..4....2..1..3....1..1..3` `..3..1..1....2..2..3....2..2..3....2..2..2....2..1..1....3..1..2....3..2..2` `..2..3..3....3..2..3....2..3..2....1..1..1....4..2..2....2..1..3....2..3..3` `..4..2..3....2..3..3....1..1..1....5..2..2....2..2..5....3..1..2....1..1..2`
	CROSSREFS	`Sequence in context: A209392 A209022 A209057 * A183890 A250400 A214624` `Adjacent sequences: A209211 A209212 A209213 * A209215 A209216 A209217`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Mar 06 2012`
	STATUS	`approved`

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Last modified December 7 09:15 EST 2023. Contains 367645 sequences. (Running on oeis4.)