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A258949
Number of (n+3) X (n+3) 0..1 arrays with no 4 X 4 subblock diagonal sum not equal the antidiagonal sum.
0
17920, 213920, 1188294, 2864828, 2618602, 1910774, 918188, 973994, 798740, 1339314, 1508072, 2300668, 4527544
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OFFSET
1,1
COMMENTS
Diagonal of A258957.
LINKS
Table of n, a(n) for n=1..13.
EXAMPLE
Some solutions for n=1
..0..0..1..1....1..0..0..0....1..0..0..0....0..0..0..0....1..0..1..0
..0..1..0..1....1..0..1..0....1..1..1..1....0..0..1..0....1..0..0..0
..0..1..1..0....0..0..1..0....0..1..0..1....0..0..1..0....1..1..0..1
..1..0..1..1....1..1..0..0....0..1..1..0....1..1..1..1....0..0..1..0
CROSSREFS
Cf. A258957.
Sequence in context: A205661 A258957 A258950 * A205950 A205461 A374309
Adjacent sequences: A258946 A258947 A258948 * A258950 A258951 A258952
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 15 2015
STATUS
approved

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Last modified October 5 03:17 EDT 2024. Contains 376530 sequences.
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