1/12 the number of (n+2)X8 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last.

A184504

1/12 the number of (n+2)X8 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last.

Terms

    a(0) =736200a(1) =1216766a(2) =2185733a(3) =4331259a(4) =10185105

External references