121483domain: NAppears in sequencesT(2n,n), T given by A026568.at n=9A026574T(n,[ n/2 ]), T given by A026568.at n=18A026579a(n) = T(2*n, n), where T is given by A026584.at n=9A026590a(n) = T(n, floor(n/2)), where T is given by A026584.at n=18A026595