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

A279378

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

Terms

    a(0) =1a(1) =3a(2) =8a(3) =22a(4) =61a(5) =170a(6) =472a(7) =1310a(8) =3637a(9) =10099a(10) =28041a(11) =77857a(12) =216174a(13) =600221a(14) =1666552a(15) =4627285a(16) =12847943a(17) =35673112a(18) =99048614a(19) =275014633a(20) =763595218a(21) =2120169576a(22) =5886782590a(23) =16345017705a(24) =45382957439a(25) =126008601709a(26) =349870713613

External references