a(n) = 8*a(n-1) - 13*a(n-2) for n > 1; a(0) = 3, a(1) = 15.

A163470

a(n) = 8*a(n-1) - 13*a(n-2) for n > 1; a(0) = 3, a(1) = 15.

Terms

    a(0) =3a(1) =15a(2) =81a(3) =453a(4) =2571a(5) =14679a(6) =84009a(7) =481245a(8) =2757843a(9) =15806559a(10) =90600513a(11) =519318837a(12) =2976744027a(13) =17062807335a(14) =97804786329a(15) =560621795277

External references