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A255081 Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum one 1
418200, 7070281, 170527280, 2916864064, 60755627185, 1389939607849, 29652533456379, 631682065157796, 13873313158089840, 301813198275078400, 6529986007410270600, 141995549130168315024, 3088910037098708106544 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A255082

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..171

EXAMPLE

Some solutions for n=1

..0..1..0..1..0..1..1..1..0....0..1..0..0..0..1..1..0..1

..0..1..1..1..1..0..1..0..1....0..1..0..1..0..1..0..0..1

..1..1..1..0..1..0..0..1..1....1..0..1..1..1..0..1..1..1

CROSSREFS

Cf. A255082

Sequence in context: A151838 A259404 A116936 * A206315 A184373 A164729

Adjacent sequences:  A255078 A255079 A255080 * A255082 A255083 A255084

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 14 2015

STATUS

approved

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Last modified July 13 16:22 EDT 2020. Contains 335688 sequences. (Running on oeis4.)