Number of n X 4 0..2 arrays with rows unimodal and antidiagonals nondecreasing.

A224370

Number of n X 4 0..2 arrays with rows unimodal and antidiagonals nondecreasing.

Terms

    a(0) =46a(1) =698a(2) =7608a(3) =77793a(4) =800309a(5) =8297747a(6) =86251004a(7) =896856330a(8) =9325161494a(9) =96954549463

External references