a(n) = 9*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 9.

A087798

a(n) = 9*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 9.

Terms

    a(0) =2a(1) =9a(2) =83a(3) =756a(4) =6887a(5) =62739a(6) =571538a(7) =5206581a(8) =47430767a(9) =432083484a(10) =3936182123a(11) =35857722591a(12) =326655685442

External references