Number of (n+1)X(6+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases.

A234830

Number of (n+1)X(6+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases.

Terms

    a(0) =1583955a(1) =862112943a(2) =423046102605

External references