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

A280227

Number of n X 2 0..1 arrays with no element unequal to a strict majority of its king-move 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) =6a(3) =8a(4) =14a(5) =24a(6) =42a(7) =72a(8) =124a(9) =212a(10) =362a(11) =616a(12) =1046a(13) =1772a(14) =2996a(15) =5056a(16) =8518a(17) =14328a(18) =24066a(19) =40368a(20) =67628a(21) =113164a(22) =189154a(23) =315848a(24) =526894a(25) =878164a(26) =1462372a(27) =2433272a(28) =4045694a(29) =6721752

External references