640207domain: NAppears in sequencesTriangle read by rows generated from the Narayana transform.at n=27A117297G.f. satisfies: A(x) = B(x*A(x)) where A(x) = Sum_{n>=0} a(n)*x^n/[n!*(n+1)!/2^n] and B(x) = Sum_{n>=0} x^n/[n!*(n+1)!/2^n].at n=6A155926