14026752domain: NAppears in sequencesSequence with a (4,-8) Somos-4 Hankel transform.at n=16A178076(n-1)-st elementary symmetric function of {2,4,6,8,...,2n}.at n=7A203159Triangle, read by rows, each row n being defined by g.f. Product_{k=1..n} (k + x + 2*k*x^2), for n >= 0.at n=79A322891