Number of n X n 0..6 arrays with rows and columns, considered as 7-ary numbers, in nondecreasing order.

A162089

Number of n X n 0..6 arrays with rows and columns, considered as 7-ary numbers, in nondecreasing order.

Terms

    a(0) =7a(1) =777a(2) =2066505a(3) =150943642765

External references