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A017944
Powers of sqrt(13) rounded to nearest integer.
1
1, 4, 13, 47, 169, 609, 2197, 7921, 28561, 102978, 371293, 1338716, 4826809, 17403307, 62748517, 226242996, 815730721, 2941158942, 10604499373, 38235066240, 137858491849, 497055861120, 1792160394037
OFFSET
0,2
LINKS
MATHEMATICA
Floor[(Sqrt[13]^Range[0, 40]+1/2)] (* Vincenzo Librandi, Nov 19 2011 *)
PROG
(PARI) a(n)=round(sqrt(13)^n) \\ Charles R Greathouse IV, Nov 18 2011
(Magma) [Round(Sqrt(13)^n): n in [0..40]]; // Vincenzo Librandi, Nov 19 2011
CROSSREFS
Sequence in context: A098841 A183775 A363547 * A017945 A055451 A163862
KEYWORD
nonn
STATUS
approved