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A258905 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically 1
11872, 86968, 659792, 5271330, 38603552, 279149887, 2026873370, 14414890711, 101729978782, 713646685384, 4972387097538, 34447528903062, 237597968142112, 1632011477851887, 11168737053194688, 76188905928464959, 518233427901264780 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A258910
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..1..1....1..1..0..0..0....1..0..0..0..1....1..1..0..0..1
..0..0..1..0..1....1..0..1..1..0....1..0..0..1..1....1..0..1..1..1
..1..1..1..0..1....1..0..1..1..0....1..0..0..1..1....1..0..1..1..0
..0..1..1..1..1....1..1..0..0..0....0..1..1..1..1....1..0..0..1..1
CROSSREFS
Sequence in context: A194776 A253988 A253995 * A232673 A342351 A186603
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 14 2015
STATUS
approved

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Last modified February 29 20:45 EST 2024. Contains 370428 sequences. (Running on oeis4.)