Half the number of (n+2) X 5 binary arrays with each 3 X 3 subblock having sum 3, 4, 5 or 6.

A187311

Half the number of (n+2) X 5 binary arrays with each 3 X 3 subblock having sum 3, 4, 5 or 6.

Terms

    a(0) =10262a(1) =237650a(2) =5422402a(3) =125103786a(4) =2885253967a(5) =66555378453

External references