41067117035domain: NAppears in sequencesNumber of (n+1)X6 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=6A204873Number of (n+1) X 8 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=4A204875