A203037 - OEIS

A203037

Number of 7Xn 0..3 arrays with row sums equal and column sums unequal to adjacent columns

4, 20228, 77256180, 539443637988, 4274880689220682 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Row 7 of A203031`
	LINKS	`Table of n, a(n) for n=1..5.`
	EXAMPLE	`Some.solutions.for.n=4` `..0..1..3..0....1..0..0..1....2..2..1..1....0..0..0..3....2..0..3..0` `..1..2..0..1....0..2..0..0....2..0..1..3....0..1..1..1....0..2..1..2` `..1..3..0..0....1..1..0..0....2..3..0..1....0..2..0..1....0..2..1..2` `..0..2..0..2....2..0..0..0....1..2..2..1....2..0..1..0....1..0..2..2` `..0..3..0..1....0..0..2..0....2..2..1..1....1..0..0..2....1..0..3..1` `..1..3..0..0....1..0..0..1....0..2..1..3....1..1..1..0....0..1..1..3` `..3..0..0..1....0..0..2..0....1..2..0..3....2..0..0..1....1..2..0..2`
	CROSSREFS	`Sequence in context: A331667 A053015 A089210 * A241214 A034014 A217600` `Adjacent sequences: A203034 A203035 A203036 * A203038 A203039 A203040`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Dec 27 2011`
	STATUS	`approved`

Last modified March 24 12:09 EDT 2023. Contains 361479 sequences. (Running on oeis4.)