Number of n X 6 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.

A183338

Number of n X 6 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.

Terms

    a(0) =1a(1) =9a(2) =23a(3) =51a(4) =175a(5) =513a(6) =1397a(7) =4133a(8) =12075a(9) =34521a(10) =100047a(11) =290287a(12) =838039a(13) =2423841a(14) =7016381a(15) =20290449a(16) =58686583a(17) =169784637a(18) =491117363a(19) =1420584719a(20) =4109370831a(21) =11887034385a(22) =34384871493a(23) =99464136973a(24) =287716480627a(25) =832264983105

External references