1/4 the number of (n+1)X8 0..3 arrays with every 2X2 subblock having distinct edge sums.

A209735

1/4 the number of (n+1)X8 0..3 arrays with every 2X2 subblock having distinct edge sums.

Terms

    a(0) =693752a(1) =62007896a(2) =6111765608a(3) =660346502176

External references