Number of nondecreasing -6..6 vectors of length n whose dot product with some nondecreasing -6..6 vector equals n.

A226409

Number of nondecreasing -6..6 vectors of length n whose dot product with some nondecreasing -6..6 vector equals n.

Terms

    a(0) =2a(1) =66a(2) =358a(3) =1709a(4) =5567a(5) =18389a(6) =47291a(7) =123883a(8) =285370a(9) =642627a(10) =1330101

External references