Number of (n+1) X (n+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.

A206677

Number of (n+1) X (n+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.

Terms

    a(0) =81a(1) =1728a(2) =89022a(3) =7423464a(4) =1533200232a(5) =514286765952

External references