a(n) = Sum_{i=1..16} (M^n)_{1,i}, where M is a 16 X 16 matrix given in the comments.

A120466

a(n) = Sum_{i=1..16} (M^n)_{1,i}, where M is a 16 X 16 matrix given in the comments.

Terms

    a(0) =1a(1) =36a(2) =2416a(3) =159956a(4) =10617251a(5) =705981568a(6) =46885350968

External references