A203347 - OEIS

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A203347

Number of (n+2)X(n+2) binary arrays avoiding patterns 010 and 101 in rows, columns and nw-to-se diagonals

80, 998, 17676, 505798, 23451600, 1749952542, 207766349392, 39642112566362, 12152648421141966, 5965344860666094878 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A203355`
	LINKS	`Table of n, a(n) for n=1..10.`
	EXAMPLE	`Some solutions for n=3` `..0..1..1..0..0....0..1..1..1..0....0..0..1..1..0....0..1..1..0..0` `..1..1..1..1..0....0..0..0..0..0....0..0..1..1..0....0..1..1..1..1` `..1..1..1..1..0....1..0..0..0..0....0..1..1..1..0....0..1..1..1..1` `..1..1..1..1..0....1..0..0..0..0....0..1..1..1..1....0..0..1..1..0` `..1..1..0..0..0....1..0..0..0..0....0..0..1..1..1....0..0..0..0..0`
	CROSSREFS	`Sequence in context: A246545 A198400 A182680 * A201193 A264129 A223251` `Adjacent sequences: A203344 A203345 A203346 * A203348 A203349 A203350`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Dec 31 2011`
	STATUS	`approved`

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Last modified March 26 04:58 EDT 2023. Contains 361529 sequences. (Running on oeis4.)