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 A251248 Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements 1
 24095475, 91345992921, 345878548314469, 1309640978922956217, 4958824382557190011939, 18776074467676820865893649, 71093648993125363900542904561, 269188685349250291174788288004161 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A251249 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..0..0..0..0..2..1..1....0..0..0..0..1..1..2..2....0..0..0..0..1..2..1..1 ..1..0..0..2..1..2..1..2....1..0..1..2..1..2..1..0....0..0..1..1..1..2..2..1 CROSSREFS Sequence in context: A234342 A104922 A058323 * A135954 A203260 A268290 Adjacent sequences: A251245 A251246 A251247 * A251249 A251250 A251251 KEYWORD nonn AUTHOR R. H. Hardin, Dec 01 2014 STATUS approved

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Last modified March 31 11:51 EDT 2023. Contains 361648 sequences. (Running on oeis4.)