Number of polynomials P(x,y) with nonnegative integer coefficients such that P(x,y) == 1 (mod x+y-1) and P(1,1) = n.

A363933

Number of polynomials P(x,y) with nonnegative integer coefficients such that P(x,y) == 1 (mod x+y-1) and P(1,1) = n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =14a(5) =40a(6) =119a(7) =361a(8) =1113a(9) =3476a(10) =10971a(11) =34919a(12) =111949a(13) =361100a(14) =1171130

External references