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A253730 Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically. 1
1051870, 172901292, 37974926408, 8663276276434, 1912144574026028, 440533679097542155, 98462225092730752800, 22746082818241945125251, 5097086484432292252558188, 1177131995758338767197585571 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A253731.
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..1..0..1..2....0..1..0..0..2..0..2....0..0..0..0..2..1..1
..0..0..1..0..2..0..2....2..2..1..2..0..2..2....1..1..0..1..1..2..1
CROSSREFS
Cf. A253731.
Sequence in context: A203668 A253312 A253660 * A043679 A162893 A234089
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 10 2015
STATUS
approved

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Last modified April 12 16:20 EDT 2024. Contains 371635 sequences. (Running on oeis4.)