296248domain: NAppears in sequencesa(n) = greatest number in row n of array T given by A026998.at n=19A027008T(n, 2n-10), T given by A027960.at n=14A027972Number of nX3 0..1 arrays with every element unequal to 0, 1, 3, 5 or 8 king-move adjacent elements, with upper left element zero.at n=16A305342