|
%I #4 Mar 31 2012 12:37:03
%S 2831919,986079019,8567876319,3696936217731,32915600155409
%N Number of (n+1)X7 0..7 arrays with the permanents of all 2X2 subblocks equal and nonzero
%C Column 6 of A204791
%e Some solutions for n=4
%e ..2..5..1..0..1..0..1....5..6..3..5..5..5..6....2..7..1..2..1..2..1
%e ..1..0..1..5..4..5..2....5..3..6..5..4..5..3....1..0..1..5..1..5..1
%e ..0..5..1..0..1..0..1....5..6..3..5..5..5..6....4..7..0..7..0..7..0
%e ..1..0..1..5..3..5..6....5..3..6..5..4..5..3....1..0..1..1..1..7..1
%e ..2..5..1..0..1..0..1....5..6..3..5..5..5..6....5..7..0..7..0..7..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 19 2012
| 