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A254494
Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1
114880, 2520832, 50028672, 1018596736, 20365586688, 410218207872, 8153154979328, 162063119050112, 3212390841829632, 63739082154797184, 1262171199650792448, 24992983054334976896, 494505919058516547328
OFFSET
1,1
COMMENTS
Row 4 of A254491
LINKS
EXAMPLE
Some solutions for n=1
..1..0..0....0..1..1....1..0..0....1..0..1....0..0..0....1..0..0....1..0..1
..0..0..1....0..1..1....0..1..0....0..1..0....1..1..1....1..1..0....0..0..0
..1..1..1....0..0..0....0..1..0....0..1..1....1..0..0....0..0..0....1..1..1
..0..0..0....1..1..1....0..0..1....1..0..0....1..0..1....1..1..0....1..0..0
..0..1..1....0..1..1....1..1..1....1..1..1....1..1..1....0..1..0....0..1..1
..1..0..0....1..1..0....0..1..1....0..0..0....1..0..0....1..1..0....1..0..0
CROSSREFS
Sequence in context: A119128 A276100 A233732 * A254487 A253859 A237692
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 31 2015
STATUS
approved