a(n) = numerator of any non-diagonal entry of the matrix A^n, where A is described in the Comments lines.

A093378

a(n) = numerator of any non-diagonal entry of the matrix A^n, where A is described in the Comments lines.

Terms

    a(0) =2a(1) =12a(2) =22a(3) =168a(4) =1558a(5) =5148a(6) =8062a(7) =177072a(8) =860882a(9) =738492a(10) =121008888a(11) =298775878a(12) =1232566932a(13) =14864798542a(14) =58374617952

External references