1926060domain: NAppears in sequencesNumber of 3 X n matrices with 3*n/2 1's (if n is even) or (3*n+1)/2 1's (if n is odd) that do not have a horizontal nor vertical nor diagonal 3-streak of 1's.at n=29A339631Number of final Tic-Tac-Toe positions on a (2*n+1) X 3 board that result in a tie.at n=14A339634