OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..800
FORMULA
a(n) = floor(sqrt(15^n)). - Vincenzo Librandi, Jun 24 2011
MATHEMATICA
Floor[(Sqrt[15])^Range[0, 30]] (* Harvey P. Dale, Jul 03 2020 *)
PROG
(Magma) [Floor(Sqrt(15^n)): n in [0..30]]; // Vincenzo Librandi, Jun 24 2011
(PARI) a(n)=sqrtint(15^n) \\ Charles R Greathouse IV, Nov 18 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved