OFFSET
1,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) = (5/3)^n - (10/9)^n + O(1). - Charles R Greathouse IV, Mar 14 2022
MATHEMATICA
f[n_] := Floor[(5^n)(3^n+2^n)]
Table[f[n], {n, 1, 40}] (* A191696 *)
PROG
(Magma) [Floor((5^n)/(3^n+2^n)): n in [1..40] ]; // Vincenzo Librandi, Sep 10 2011
(PARI) a(n)=5^n\(3^n+2^n) \\ Charles R Greathouse IV, Mar 14 2022
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 11 2011
STATUS
approved