Number of nX4 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A279490
Number of nX4 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =3a(1) =18a(2) =254a(3) =2684a(4) =26157a(5) =246237a(6) =2241332a(7) =19885341a(8) =172968364a(9) =1481176019a(10) =12518566165a(11) =104634697841a(12) =866300549164
External references
- oeis: A279490