Number of (n+1)X(7+1) 0..3 arrays colored with the upper median value of each 2X2 subblock.

A235971

Number of (n+1)X(7+1) 0..3 arrays colored with the upper median value of each 2X2 subblock.

Terms

    a(0) =23457361a(1) =325144432a(2) =4326517048a(3) =115542593952

External references