a(1) = 0, a(2) = 16, a(2n+1) = 10*a(2n) - a(2n-1), a(2n) = 10*a(2n-1) - a(2n-2) + 16.

A053410

a(1) = 0, a(2) = 16, a(2n+1) = 10*a(2n) - a(2n-1), a(2n) = 10*a(2n-1) - a(2n-2) + 16.

Terms

    a(0) =0a(1) =16a(2) =160a(3) =1600a(4) =15840a(5) =156816a(6) =1552320a(7) =15366400a(8) =152111680a(9) =1505750416a(10) =14905392480a(11) =147548174400

External references