Number of nX4 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.

A183371

Number of nX4 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.

Terms

    a(0) =1a(1) =9a(2) =16a(3) =49a(4) =64a(5) =144a(6) =729a(7) =2304a(8) =6724a(9) =22500a(10) =89401a(11) =368449a(12) =1399489a(13) =5345344a(14) =21501769a(15) =87796900a(16) =354531241a(17) =1422345796a(18) =5746246416a(19) =23369542641a(20) =94966283556a(21) =385048793529

External references