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A235961
Number of (n+1)X(7+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise
1
7560, 176420, 3311312, 59037352, 997114552, 16500794898, 267591383236, 4292672074802, 68206975579218, 1077169051968340, 16927257076479028, 265101072902208072, 4140802701438271022, 64556448436549241648
OFFSET
1,1
COMMENTS
Column 7 of A235962
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..0..1..0..0..1....0..0..1..1..0..0..0..1....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..1..1....0..1..0..0..1..1..1..0....0..1..0..0..0..1..0..1
..0..1..0..0..0..1..1..1....0..0..0..0..0..1..0..0....0..0..0..0..1..1..1..1
CROSSREFS
Sequence in context: A190108 A308913 A145313 * A235572 A351382 A206173
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2014
STATUS
approved