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A252511 Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7 1

%I

%S 5508,25197,83016,188123,505129,1629431,5219625,16419574,50479820,

%T 156986808,499609193,1549264396,4847196904,15542087497,48295697412,

%U 152218972165,493330608947,1537042878541,4885894517798,16034397747482

%N Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7

%C Column 5 of A252514

%H R. H. Hardin, <a href="/A252511/b252511.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A252511/a252511.txt">Empirical recurrence of order 66</a>

%F Empirical recurrence of order 66 (see link above)

%e Some solutions for n=4

%e ..2..2..3..1..3..1..2....2..2..2..2..1..3..1....2..2..2..2..2..2..3

%e ..2..3..1..3..1..3..2....2..1..3..1..3..1..2....2..3..1..3..1..3..1

%e ..2..1..3..1..3..1..3....1..3..1..3..1..3..2....3..1..3..1..3..1..3

%e ..1..3..1..3..1..3..1....3..1..3..1..3..1..3....1..3..1..3..1..3..1

%e ..2..1..3..1..3..1..3....2..3..1..3..1..3..1....2..1..3..1..3..1..3

%e ..2..3..1..2..2..3..2....2..2..3..1..3..1..3....2..3..1..2..2..3..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 18 2014

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Last modified May 24 19:38 EDT 2022. Contains 354043 sequences. (Running on oeis4.)