Number of pairs of nonnegative integers, not both equal to 0, with a shortest vectorial addition chain of length n.

A383331

Number of pairs of nonnegative integers, not both equal to 0, with a shortest vectorial addition chain of length n.

Terms

    a(0) =2a(1) =3a(2) =7a(3) =16a(4) =37a(5) =91a(6) =229a(7) =585a(8) =1528a(9) =4034a(10) =10862

External references