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 A251826 Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not 3 or 6 and every diagonal and antidiagonal sum 3 or 6 1

%I

%S 61058,284506,2395590,10655426,101716526,951770218,4235688278,

%T 41895955226,402976069458,1784010963858,17962700990614,

%U 174824051887178,771185252647206,7819035896127962,76514852881326606,336773599687119730

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

%C Column 5 of A251829

%H R. H. Hardin, <a href="/A251826/b251826.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A251826/a251826.txt">Empirical recurrence of order 63</a>

%F Empirical recurrence of order 63 (see link above)

%e Some solutions for n=1

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

%e ..3..3..3..3..3..2..0....3..3..1..3..3..1..3....0..3..2..2..1..1..3

%e ..3..2..2..3..3..2..0....3..0..1..3..3..1..0....1..0..3..2..2..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 09 2014

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Last modified January 19 11:05 EST 2022. Contains 350464 sequences. (Running on oeis4.)