a(n) = 9*a(n-1) + 9*a(n-2), n>2; a(0)=1, a(1)=8, a(2)=80.
A155144
a(n) = 9*a(n-1) + 9*a(n-2), n>2; a(0)=1, a(1)=8, a(2)=80.
Terms
- a(0) =1a(1) =8a(2) =80a(3) =792a(4) =7848a(5) =77760a(6) =770472a(7) =7634088a(8) =75641040a(9) =749476152a(10) =7426054728a(11) =73579777920a(12) =729052493832
External references
- oeis: A155144