A186841 - OEIS

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A186841

Number of (n+1)X(n+1) binary arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

16, 218, 6138, 313412, 32584548, 6898399878, 2945465789710, 2594103702923620, 4715152509383191910 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A186850`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for 3X3` `..1..1..1....1..1..0....1..0..0....0..1..0....1..1..0....0..1..0....1..0..0` `..0..1..1....0..0..0....0..0..0....1..0..0....1..0..1....1..0..1....1..1..0` `..1..0..1....0..1..1....1..1..0....0..0..0....0..0..1....1..0..0....1..1..1`
	CROSSREFS	`Sequence in context: A076097 A163739 A239042 * A130606 A193380 A076073` `Adjacent sequences: A186838 A186839 A186840 * A186842 A186843 A186844`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Feb 27 2011`
	STATUS	`approved`

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Last modified July 1 02:58 EDT 2022. Contains 354947 sequences. (Running on oeis4.)