258898domain: NAppears in sequencesFirst differences of indices of A000043.at n=41A135701Maximal entry in row n of triangle in A169945.at n=19A169949G.f.: Sum_{n>=0} (n+1) * x^n * (1 + x^n)^n / (1 + x^(n+1))^(n+2).at n=58A326285