-4380domain: ZAppears in sequencesShifts 3 places right under binomial transform.at n=10A010740Shifts 3 places left under inverse binomial transform.at n=13A010741G.f.: Sum_{n>=0} x^n * (1 + x^n)^n / (1 + x^(n+1))^(n+1).at n=55A323557