a(n) = 20*a(n-1) - 64*a(n-2) - 150 for n > 2; a(0) = 357, a(1) = 14450, a(2) = 221650.

A166913

a(n) = 20*a(n-1) - 64*a(n-2) - 150 for n > 2; a(0) = 357, a(1) = 14450, a(2) = 221650.

Terms

    a(0) =357a(1) =14450a(2) =221650a(3) =3508050a(4) =55975250a(5) =894989650a(6) =14317376850a(7) =229068199250

External references