123542domain: NAppears in sequencesa(n) = Sum_{k=0..2n-1} T(n,k)*T(n,k+1), T given by A027926.at n=8A027995Number of monomial terms in expansion of n-th coefficient of replicable function as a polynomial in [c1, c2, c3, c4, c5, c7, c8, c9, c11, c17, c19, c23].at n=63A112331