Number of 2 X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

A281803

Number of 2 X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =0a(1) =0a(2) =6a(3) =38a(4) =157a(5) =524a(6) =1631a(7) =4694a(8) =13006a(9) =34776a(10) =90703a(11) =231788a(12) =582557a(13) =1444328a(14) =3539638a(15) =8590070a(16) =20670737a(17) =49377196a(18) =117193443a(19) =276578138a(20) =649454590a(21) =1518211492a(22) =3534848915a(23) =8200472092a(24) =18962152697a(25) =43716887564a(26) =100516988278

External references