3242928domain: NAppears in sequencesG.f.: A(x) = exp( 2*Sum_{n>=1} sigma(n)*A006519(n) * x^n/n ), where A006519(n) = highest power of 2 dividing n.at n=22A162584A bisection of A162584.at n=11A163228Number of n X 5 0..1 arrays with rows and columns unimodal and antidiagonals nondecreasing.at n=16A223774