Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero.

A305284

Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =2a(1) =86a(2) =279a(3) =1763a(4) =8431a(5) =46983a(6) =246893a(7) =1332201a(8) =7128691a(9) =38238956a(10) =205149469a(11) =1099974489a(12) =5901258508a(13) =31647841376a(14) =169761764249a(15) =910513898513

External references