8469060domain: NAppears in sequencesa(n) = greatest residue of S(n,m) mod C(n-1,m-1), for m = 1,2,...,n; S(n,m) are Stirling numbers of second kind.at n=26A024424a(n) = Catalan(n) * (n^2 + 2) / (n + 2).at n=13A344191