Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any west or northeast neighbors modulo 6 and the upper left element equal to 0.

A267745

Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any west or northeast neighbors modulo 6 and the upper left element equal to 0.

Terms

    a(0) =120a(1) =7a(2) =82a(3) =502a(4) =4997a(5) =55105a(6) =649089a(7) =7866419a(8) =97477205a(9) =1225988750a(10) =15661687539a(11) =203901398624

External references