A253212 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A253212

a(n) = 9^n + 8.

9, 17, 89, 737, 6569, 59057, 531449, 4782977, 43046729, 387420497, 3486784409, 31381059617, 282429536489, 2541865828337, 22876792454969, 205891132094657, 1853020188851849, 16677181699666577, 150094635296999129, 1350851717672992097, 12157665459056928809

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

COMMENTS

Subsequence of A226832.

LINKS

Table of n, a(n) for n=0..20.

Index entries for linear recurrences with constant coefficients, signature (10,-9).

FORMULA

G.f.: (9 - 73*x)/((1 - x)*(1 - 9*x)).

a(n) = 10*a(n-1) - 9*a(n-2) for n>1.

MATHEMATICA