Number of different solutions to a variant of the 3-ball tennis ball problem.

A079486

Number of different solutions to a variant of the 3-ball tennis ball problem.

Terms

    a(0) =3a(1) =15a(2) =103a(3) =879a(4) =8787a(5) =99061a(6) =1227369a(7) =16409937a(8) =233588249a(9) =3504149013a(10) =54963273921a(11) =895797910129

External references