Number of n X 2 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

A279262

Number of n X 2 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =0a(1) =4a(2) =10a(3) =20a(4) =38a(5) =68a(6) =120a(7) =208a(8) =358a(9) =612a(10) =1042a(11) =1768a(12) =2992a(13) =5052a(14) =8514a(15) =14324a(16) =24062a(17) =40364a(18) =67624a(19) =113160a(20) =189150a(21) =315844a(22) =526890a(23) =878160a(24) =1462368a(25) =2433268a(26) =4045690a(27) =6721748a(28) =11160278a(29) =18517652

External references