a(n) = 9*a(n-1) + a(n-2) for n>1; a(0) = a(1) = 1.
A015455
a(n) = 9*a(n-1) + a(n-2) for n>1; a(0) = a(1) = 1.
Terms
- a(0) =1a(1) =1a(2) =10a(3) =91a(4) =829a(5) =7552a(6) =68797a(7) =626725a(8) =5709322a(9) =52010623a(10) =473804929a(11) =4316254984a(12) =39320099785a(13) =358197153049
External references
- oeis: A015455