Number of nX2 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

A279530

Number of nX2 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =1a(1) =0a(2) =15a(3) =222a(4) =2348a(5) =21302a(6) =176125a(7) =1370378a(8) =10206549a(9) =73563740a(10) =516783536a(11) =3556359632a(12) =24063074811a(13) =160526530010

External references