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A252073 Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 or 4.

%I A252073 #6 Jun 02 2025 10:45:48
%S A252073 1573,8352,60245,391934,2547765,16789564,110131513,722619033,
%T A252073 4749948377,31181555206,204626875063,1343622742626,8822820748320,
%U A252073 57923805951945,380282422081555,2496764092390189,16392666023439258,107625734028805523
%N A252073 Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 or 4.
%C A252073 Column 6 of A252075
%H A252073 R. H. Hardin, <a href="/A252073/b252073.txt">Table of n, a(n) for n = 1..210</a>
%H A252073 R. H. Hardin, <a href="/A252073/a252073.txt">Empirical recurrence of order 72</a>
%F A252073 Empirical recurrence of order 72 (see link above)
%e A252073 Some solutions for n=3
%e A252073 ..1..2..2..2..1..2..2..1....2..1..2..2..2..2..1..2....1..2..2..2..2..2..2..2
%e A252073 ..2..2..1..2..2..2..2..2....1..2..2..2..1..2..2..2....2..2..2..2..2..2..2..1
%e A252073 ..2..2..2..2..2..2..2..2....2..2..2..2..2..2..2..2....2..2..2..1..2..2..2..2
%e A252073 ..2..1..2..2..2..2..2..2....2..2..2..1..2..2..2..2....2..2..2..2..2..2..2..2
%e A252073 ..2..2..2..2..2..2..1..2....1..2..2..2..2..2..2..2....2..2..2..2..1..2..2..1
%K A252073 nonn
%O A252073 1,1
%A A252073 _R. H. Hardin_, Dec 13 2014