Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

A298235

Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =13a(2) =22a(3) =124a(4) =409a(5) =1921a(6) =8908a(7) =41933a(8) =204016a(9) =988083a(10) =4818956a(11) =23520912a(12) =114859013a(13) =561215577a(14) =2742234243a(15) =13400786521a(16) =65488989956a(17) =320045756818

External references