a(n) = 10*a(n-1) - 22*a(n-2) for n > 1; a(0) = 3, a(1) = 18.
A163471
a(n) = 10*a(n-1) - 22*a(n-2) for n > 1; a(0) = 3, a(1) = 18.
Terms
- a(0) =3a(1) =18a(2) =114a(3) =744a(4) =4932a(5) =32952a(6) =221016a(7) =1485216a(8) =9989808a(9) =67223328a(10) =452457504a(11) =3045661824a(12) =20502553152a(13) =138020971392a(14) =929153544576
External references
- oeis: A163471