Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-0100-1111 pattern in any orientation.
A146794
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-0100-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =5a(6) =17a(7) =41a(8) =145a(9) =657a(10) =4553a(11) =32425a(12) =257569a(13) =2670753a(14) =36201945a(15) =564616361a(16) =10290347089a(17) =235475912465
External references
- oeis: A146794