44012domain: NAppears in sequencesSquare array A(row,col) = Sum_{k=0..row} binomial(row,k)*A002110(col+k), read by descending antidiagonals as A(0,0), A(0,1), A(1,0), A(0,2), A(1,1), A(2,0), ...at n=26A276586Transpose of square array A276586.at n=22A276587Number of odd semiprimes between 2^(n-1) and 2^n.at n=19A362318