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A254853 Number of (n+2) X (7+2) 0..1 arrays with no 3 X 3 subblock diagonal sum one and no antidiagonal sum two. 1
110544, 103684, 216000, 729316, 2811104, 12013156, 50676440, 192820996, 677038812, 2389645456, 8994716592, 36477180100, 149567548816, 578080419856, 2112980405676, 7642791993600, 28538086816176, 112257203522500 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A254854.
LINKS
EXAMPLE
Some solutions for n=2
..1..1..0..0..0..1..1..1..1....1..0..0..1..1..1..1..1..0
..1..1..1..0..1..0..1..0..0....1..1..1..1..1..1..1..1..0
..0..0..1..1..0..1..0..1..1....0..1..1..1..1..1..0..1..0
..0..0..1..1..1..0..0..0..0....1..1..1..1..1..0..0..1..1
CROSSREFS
Cf. A254854.
Sequence in context: A250591 A187114 A145872 * A250533 A251191 A206540
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2015
STATUS
approved

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Last modified July 15 06:58 EDT 2024. Contains 374324 sequences. (Running on oeis4.)