Number of nX3 binary arrays with no element equal to the mod 3 sum of its king-move neighbors.

A183376

Number of nX3 binary arrays with no element equal to the mod 3 sum of its king-move neighbors.

Terms

    a(0) =2a(1) =9a(2) =28a(3) =68a(4) =143a(5) =364a(6) =952a(7) =2509a(8) =6412a(9) =16544a(10) =42939a(11) =111540a(12) =291108a(13) =757309a(14) =1972172a(15) =5144362a(16) =13414809a(17) =34987626a(18) =91292436a(19) =238197883a(20) =621533082a(21) =1622128746a(22) =4233391807a(23) =11048462916a(24) =28837147416a(25) =75265508987a(26) =196446917068

External references