1785513domain: NAppears in sequencesa(n) = Sum_{j=0..n} Sum_{i=0..n} T(j,i), T given by A026736.at n=19A026745Number of 6-ary rooted trees with n nodes and height exactly 4.at n=29A036642Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00001011 00010101 or 01010101.at n=10A261377