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A254195 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
5525648, 211785820, 9808618856, 406615285408, 17244253826864, 721080846759928, 28902004996988096, 1143364451599833356, 45062796865100469144, 1768670629287223861148, 69299350917389199697948 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A254189
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..0..0....0..0..1....0..0..0....0..0..0....1..0..0....1..0..0....0..0..0
..0..0..0....0..0..0....1..0..0....0..0..0....1..0..0....0..0..0....1..0..0
..0..1..0....0..0..0....1..0..0....0..1..1....0..0..0....1..1..1....1..1..0
..0..1..1....0..0..0....0..0..1....0..0..1....0..1..1....0..0..1....0..0..1
..1..1..1....0..0..1....0..0..1....1..0..1....1..0..1....0..1..1....0..0..1
..0..1..0....0..0..1....1..0..1....1..1..1....1..0..1....1..0..1....0..1..1
..1..1..1....1..0..0....1..1..1....1..1..1....1..1..1....1..1..1....1..1..1
..1..1..1....1..0..0....0..0..1....0..0..1....0..0..0....1..1..0....1..1..0
CROSSREFS
Sequence in context: A207825 A204802 A227931 * A254188 A253800 A158760
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2015
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)