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A253992
Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1
3644672, 43840181, 890259584, 20976836853, 431011794558, 9417047685594, 214599818292970, 4763204685284070, 105382980758778328, 2352723588969755035, 52407266256039457556, 1163450914128007674788, 25860536986335538468356
OFFSET
1,1
COMMENTS
Column 7 of A253993
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..1..0..1..1..1....0..0..0..0..0..0..1..1..0
..0..0..0..0..0..0..1..0..0....1..0..0..1..1..0..0..1..0
..1..0..0..0..0..1..0..0..1....0..0..0..0..0..0..0..0..0
CROSSREFS
Sequence in context: A053501 A229677 A350335 * A253999 A258909 A090074
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 21 2015
STATUS
approved