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A253797 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically 1
66144, 1143216, 19600428, 300044272, 4147335800, 55154148308, 715315448772, 9131342831212, 115857078625612, 1466202791980592, 18529834096701744, 234042607294561560, 2955370997638617112, 37314547733012673212 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A253801
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0..1..1..1....1..0..1..1..0..0....0..1..0..0..1..0....0..1..0..0..0..1
..0..1..1..1..1..0....1..1..1..1..1..1....0..1..1..1..1..0....0..1..1..1..0..1
..1..1..1..1..1..1....0..1..1..1..1..1....0..1..1..1..1..0....0..0..0..1..0..1
CROSSREFS
Sequence in context: A194430 A254192 A254185 * A241978 A212583 A156424
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2015
STATUS
approved

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Last modified July 19 05:20 EDT 2024. Contains 374388 sequences. (Running on oeis4.)