A254497 - OEIS

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A254497

Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

20872192, 1607095232, 109168144000, 8174961189248, 565727609862912, 39860323285338752, 2791393651770044928, 195878395284494809216, 13694364784954747518720, 959682172861348320136576 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Row 7 of A254491`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..45`
	EXAMPLE	`Some solutions for n=1` `..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0` `..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0` `..1..0..0....1..0..1....1..0..0....1..0..0....0..0..0....0..0..0....1..0..0` `..1..0..0....1..0..1....1..0..0....1..0..1....1..0..0....0..0..0....1..0..0` `..0..0..0....1..0..1....0..1..1....1..0..0....0..0..0....0..1..0....1..1..0` `..0..1..0....1..0..0....0..0..0....1..1..1....1..0..0....0..0..0....0..0..1` `..1..1..1....1..0..1....0..1..1....1..1..1....1..1..1....1..1..1....1..1..0` `..0..1..0....0..0..1....1..1..1....0..1..0....1..1..0....0..0..0....0..1..1` `..1..0..0....0..0..0....0..1..0....1..0..0....0..1..1....1..1..0....0..1..1`
	CROSSREFS	`Sequence in context: A294031 A321670 A356071 * A254490 A253862 A172729` `Adjacent sequences: A254494 A254495 A254496 * A254498 A254499 A254500`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Jan 31 2015`
	STATUS	`approved`

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Last modified March 22 01:15 EDT 2023. Contains 361413 sequences. (Running on oeis4.)