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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

%I

%S 179776,4884100,134652816,3749847696,103717490704,2859893618884,

%T 79025557095424,2186180765718544,60436066572750400,

%U 1669986326796722064,46157911722096725056,1276016937808498835524,35271105508345095065664

%N 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

%C Column 2 of A258564

%H R. H. Hardin, <a href="/A258562/b258562.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..2..1..1....1..0..2..2....0..2..0..2....0..2..0..0....0..1..0..2

%e ..1..2..2..2....1..2..2..0....2..2..1..2....2..2..0..0....1..1..2..1

%e ..2..0..0..1....2..2..2..0....1..0..0..1....0..1..1..1....0..0..1..2

%Y Cf. A258564

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 03 2015

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Last modified October 17 11:10 EDT 2021. Contains 348048 sequences. (Running on oeis4.)