35183domain: NAppears in sequencesE.g.f.: exp(-exp(-x)+1+x).at n=14A109747a(n) = 49*n^2 - 20*n + 2.at n=26A157373Number of (n+1) X (4+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.at n=33A253393