94493071327domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=5A204868Number of (n+1)X7 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=5A204874