a(n+2) = 9*a(n+1) - a(n) + 1, with a(1)=1, a(2)=10.
A092420
a(n+2) = 9*a(n+1) - a(n) + 1, with a(1)=1, a(2)=10.
Terms
- a(0) =1a(1) =10a(2) =90a(3) =801a(4) =7120a(5) =63280a(6) =562401a(7) =4998330a(8) =44422570a(9) =394804801a(10) =3508820640a(11) =31184580960a(12) =277152408001
External references
- oeis: A092420