Number of n X n 0..3 arrays with rows and columns, considered as 4-ary numbers, in nondecreasing order.

A162086

Number of n X n 0..3 arrays with rows and columns, considered as 4-ary numbers, in nondecreasing order.

Terms

    a(0) =4a(1) =86a(2) =14178a(3) =21907055a(4) =348053502590

External references