191113domain: NAppears in sequencesNumber of solutions to a+b+c = d+e+f with 0 < a <= n, 0 <= b,c,d,e,f <= n.at n=12A197083Number of n X 5 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=14A207302