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A258562
Number of (n+2)X(2+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum equal to the central column sum
1
179776, 4884100, 134652816, 3749847696, 103717490704, 2859893618884, 79025557095424, 2186180765718544, 60436066572750400, 1669986326796722064, 46157911722096725056, 1276016937808498835524, 35271105508345095065664
OFFSET
1,1
COMMENTS
Column 2 of A258564
LINKS
EXAMPLE
Some solutions for n=1
..0..2..1..1....1..0..2..2....0..2..0..2....0..2..0..0....0..1..0..2
..1..2..2..2....1..2..2..0....2..2..1..2....2..2..0..0....1..1..2..1
..2..0..0..1....2..2..2..0....1..0..0..1....0..1..1..1....0..0..1..2
CROSSREFS
Sequence in context: A056748 A247113 A186062 * A362807 A204787 A060232
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 03 2015
STATUS
approved