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A253735 Number of (n+2)X(3+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically 1
2212, 4100, 7216, 17608, 44332, 102616, 243796, 599920, 1495128, 3650772, 8912248, 21950456, 54561592, 133987004, 330069048, 813259848, 2014417284, 4957347368, 12243687824, 30160503772, 74615015336, 183748891424, 454096916844 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A253740
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0....1..1..0..1..1....0..1..0..0..1....1..1..1..0..0
..0..1..0..1..1....1..0..1..1..1....0..0..0..0..0....0..1..1..1..0
..1..1..1..0..1....0..1..1..1..0....1..1..0..1..1....1..0..1..1..1
..0..1..1..1..0....1..0..1..0..1....0..1..0..0..1....1..1..0..1..1
..1..0..1..0..1....0..0..0..1..1....1..1..1..1..1....1..0..1..0..1
..0..1..0..1..0....0..0..1..0..0....1..1..0..1..1....1..1..1..1..0
CROSSREFS
Sequence in context: A238456 A031725 A077693 * A259892 A337160 A138079
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2015
STATUS
approved

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Last modified March 4 05:23 EST 2024. Contains 370522 sequences. (Running on oeis4.)