15703156domain: NAppears in sequencesT(2n-1,n-1), T given by A026568.at n=12A026577T(n,[ n/2 ]), T given by A026568.at n=25A026579a(n) = T(2*n-1, n-1), where T is given by A026584.at n=12A026593a(n) = T(n, floor(n/2)), where T is given by A026584.at n=25A026595