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Number of (n+7)X(n+7) 0..1 matrices with each 8X8 subblock idempotent
0

%I #4 Apr 11 2013 15:08:05

%S 65108492,147268,84312,100678,116744,128682,136874,142592,146758,

%T 188034,265910,371964,498062,637998,787502

%N Number of (n+7)X(n+7) 0..1 matrices with each 8X8 subblock idempotent

%C Diagonal of A224597

%e Some solutions for n=3

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

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

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

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

%e ..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..0

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 11 2013