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 A252062 Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4 1

%I

%S 1948,5610,25220,126936,664938,3510697,18508976,97654871,516198206,

%T 2730269271,14438548815,76352728286,403819220427,2135971374401,

%U 11298053010693,59758367276460,316078378288805,1671854651231981

%N Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4

%C Column 5 of A252065

%H R. H. Hardin, <a href="/A252062/b252062.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A252062/a252062.txt">Empirical recurrence of order 98</a>

%F Empirical recurrence of order 98 (see link above)

%e Some solutions for n=4

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 13 2014

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Last modified August 10 03:47 EDT 2020. Contains 336368 sequences. (Running on oeis4.)