A250950 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A250950

Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element

15, 392, 36016, 11633448, 13211127617, 52746349035592, 740399698245965774, 36539401198968631193728, 6339835499950780464168370698, 3867371786117427361119320198505328 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A250956`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..19`
	EXAMPLE	`Some solutions for n=3` `..1..0..1..1....0..1..0..1....1..0..0..1....0..1..1..0....0..1..0..0` `..0..0..0..0....1..1..0..0....1..1..1..1....0..1..1..1....1..1..0..0` `..0..1..1..0....1..1..1..0....0..0..0..0....0..1..0..1....0..0..1..1` `..0..0..1..1....1..1..0..0....1..0..0..0....0..1..1..1....1..1..1..0`
	CROSSREFS	`Sequence in context: A069990 A157581 A143001 * A323838 A278981 A279133` `Adjacent sequences: A250947 A250948 A250949 * A250951 A250952 A250953`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Nov 28 2014`
	STATUS	`approved`

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 31 08:44 EDT 2023. Contains 361645 sequences. (Running on oeis4.)