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A254849 Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two 1
1632, 2916, 5904, 13456, 34176, 87616, 216000, 518400, 1246464, 3069504, 7729920, 19501056, 48484800, 118722816, 289380096, 710968896, 1766830464, 4410022464, 10962427392, 27051038784, 66462004800, 163578184704, 404630224128 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A254854
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..1..1....1..0..0..0..1....0..0..1..0..0....0..0..1..0..0
..0..0..1..0..1....1..1..0..1..1....0..0..0..0..1....0..0..0..0..0
..1..1..0..1..0....0..1..1..0..1....0..0..0..0..1....0..0..0..0..1
..1..1..1..0..0....0..1..0..1..0....1..0..0..0..0....0..0..0..0..0
..0..1..1..1..0....1..0..1..1..0....1..1..0..0..0....0..0..0..0..0
..1..0..0..0..1....1..1..0..0..1....0..0..0..0..0....0..1..0..0..0
CROSSREFS
Sequence in context: A328452 A202985 A063891 * A237923 A297659 A219007
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2015
STATUS
approved

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Last modified July 18 01:34 EDT 2024. Contains 374377 sequences. (Running on oeis4.)