_R. H. Hardin (rhhardin(AT)att.net)_
_R. H. Hardin (rhhardin(AT)att.net)_
nonn,new
nonn
Ron R. H. Hardin (rhhardin(AT)att.net)
Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1001-1001-1111 pattern in any orentationorientation.
nonn,new
nonn
Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1001-1001-1111 pattern in any orentation.
1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 7, 13, 21, 31, 61, 147, 365, 1043, 3041, 10027, 33377, 115807, 406723, 1580475, 6700609
1,10
Maximal 10 X 10 example
.0.0.0.1.0.0.1.0.0.0
.0.0.0.1.0.0.1.0.0.0
.0.0.0.1.1.1.1.0.0.0
.1.1.1.0.0.0.0.1.1.1
.0.0.1.0.0.0.0.1.0.0
.0.0.1.0.0.0.0.1.0.0
.1.1.1.0.0.0.0.1.1.1
.0.0.0.1.1.1.1.0.0.0
.0.0.0.1.0.0.1.0.0.0
.0.0.0.1.0.0.1.0.0.0
nonn
Ron Hardin (rhhardin(AT)att.net)
approved