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A250498 Number of (n+2)X(2+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column 1
2744, 23096, 181058, 1410255, 9788132, 64023155, 409593826, 2524591167, 15066718470, 88100873940, 505277709506, 2845393524899, 15788358013248, 86483717929940, 468157706230284, 2507909862945678, 13310785933432322 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A250504
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..0....0..0..0..1....0..0..0..0....0..0..0..1....0..0..0..1
..1..0..1..1....1..1..0..1....1..1..1..0....0..0..0..1....0..1..0..1
..0..1..0..1....1..1..1..0....0..1..1..1....0..1..1..0....1..0..0..1
..1..1..1..0....1..1..1..1....0..0..1..0....0..1..0..1....0..0..1..0
..1..1..1..1....1..1..0..1....1..1..1..0....1..1..0..1....0..0..1..1
CROSSREFS
Sequence in context: A262820 A262817 A250821 * A180695 A236316 A114768
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 24 2014
STATUS
approved

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Last modified May 22 02:24 EDT 2024. Contains 372741 sequences. (Running on oeis4.)