A224639 - OEIS

%I #3 Apr 13 2013 07:37:15

%S 10906923,1268962,1477939,1642077,1727928,1767017,1778834,1780319,

%T 2325778,3228402,4296196,5442583,6641962,7853412,9058338,10803639,

%U 13455199,17176864,22043261,28095893,35365711,43848040

%N Number of (n+6)X8 0..2 matrices with each 7X7 subblock idempotent

%C Column 2 of A224642

%e Some solutions for n=2

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 13 2013