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A017955 Powers of sqrt(17) rounded down. 1
1, 4, 17, 70, 289, 1191, 4913, 20256, 83521, 344365, 1419857, 5854220, 24137569, 99521746, 410338673, 1691869691, 6975757441, 28761784747, 118587876497, 488950340714, 2015993900449, 8312155792152 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..800

FORMULA

a(n) = floor(sqrt(17^n)). - Vincenzo Librandi, Jun 24 2011

PROG

(MAGMA) [Floor(Sqrt(17^n)): n in [0..30]]: // Vincenzo Librandi, Jun 24 2011

(PARI) a(n)=sqrtint(17^n) \\ Charles R Greathouse IV, Nov 18 2011

CROSSREFS

Cf. A010473 (sqrt(17)).

Sequence in context: A003127 A172447 A291009 * A017956 A136792 A188482

Adjacent sequences:  A017952 A017953 A017954 * A017956 A017957 A017958

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified September 23 02:41 EDT 2021. Contains 347609 sequences. (Running on oeis4.)