Number of nX8 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.

A183340

Number of nX8 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.

Terms

    a(0) =1a(1) =19a(2) =63a(3) =193a(4) =1005a(5) =4133a(6) =16029a(7) =68662a(8) =286079a(9) =1170324a(10) =4869491a(11) =20218182a(12) =83588667a(13) =346493199a(14) =1436419555a(15) =5949727953a(16) =24653341080a(17) =102162618558a(18) =423291469427

External references