%I #15 Sep 08 2022 08:44:43
%S 1,4,17,70,289,1191,4913,20256,83521,344365,1419857,5854220,24137569,
%T 99521746,410338673,1691869691,6975757441,28761784747,118587876497,
%U 488950340714,2015993900449,8312155792152
%N Powers of sqrt(17) rounded down.
%H Vincenzo Librandi, <a href="/A017955/b017955.txt">Table of n, a(n) for n = 0..800</a>
%F a(n) = floor(sqrt(17^n)). - _Vincenzo Librandi_, Jun 24 2011
%o (Magma) [Floor(Sqrt(17^n)): n in [0..30]]: // _Vincenzo Librandi_, Jun 24 2011
%o (PARI) a(n)=sqrtint(17^n) \\ _Charles R Greathouse IV_, Nov 18 2011
%Y Cf. A010473 (sqrt(17)).
%K nonn
%O 0,2
%A _N. J. A. Sloane_
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