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 A235741 Number of (n+1)X(5+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1
 167892, 36199157, 7433913626, 1402427258099, 257369376150524, 45081614802280999, 7733449708119520219, 1291234700949405911512, 212256857362792812709735, 34319052523965233251921090 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A235742 LINKS R. H. Hardin, Table of n, a(n) for n = 1..18 EXAMPLE Some solutions for n=1 ..0..0..0..2..2..2....0..2..0..2..0..1....0..0..1..0..2..2....0..2..0..0..0..2 ..1..2..2..1..0..0....1..2..2..0..2..2....2..1..2..2..0..2....2..0..2..2..2..2 CROSSREFS Sequence in context: A235436 A262802 A247994 * A236081 A140941 A186550 Adjacent sequences: A235738 A235739 A235740 * A235742 A235743 A235744 KEYWORD nonn AUTHOR R. H. Hardin, Jan 15 2014 STATUS approved

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Last modified May 27 15:46 EDT 2024. Contains 372870 sequences. (Running on oeis4.)