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A258952
Number of (n+3)X(3+3) 0..1 arrays with no 4x4 subblock diagonal sum not equal the antidiagonal sum
1
357600, 605904, 1188294, 2292662, 4268548, 8889408, 18461564, 38504536, 81927058, 175124024, 382949392, 840384096, 1854763390, 4145247490, 9298939358, 21035251042, 47859954190, 109376397754, 251699350766, 581573274808
OFFSET
1,1
COMMENTS
Column 3 of A258957
LINKS
EXAMPLE
Some solutions for n=1
..0..0..1..1..0..1....0..0..1..0..0..1....0..0..0..1..0..0....0..1..0..0..1..0
..0..1..1..1..1..0....1..0..1..0..0..1....1..1..0..0..0..1....0..0..1..0..1..0
..1..0..1..1..1..1....1..0..1..0..1..0....1..1..0..0..1..0....0..1..1..0..1..0
..1..0..0..1..0..0....0..1..1..0..1..0....0..0..1..1..0..0....0..0..1..1..0..1
CROSSREFS
Sequence in context: A238382 A236945 A237486 * A251456 A254566 A151619
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 15 2015
STATUS
approved