Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

A299003

Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =4a(1) =26a(2) =94a(3) =372a(4) =1510a(5) =6105a(6) =24546a(7) =98995a(8) =399424a(9) =1610936a(10) =6496983a(11) =26205472a(12) =105698076a(13) =426321495a(14) =1719528280a(15) =6935574134a(16) =27974034790a(17) =112830828296a(18) =455093402265

External references