86715299domain: NAppears in sequencesTriangle, read by rows, each row n being defined by g.f. Product_{k=1..n} (k + x + k*x^2), for n >= 0.at n=90A322235a(n) = [x^n] Product_{k=1..n} (k + x + k*x^2), for n >= 0.at n=9A322238