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 A202305 Floor(sqrt(5*n)). 4
 0, 2, 3, 3, 4, 5, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 18 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..10000 FORMULA a(n) = A000196(5n). MATHEMATICA Table[Floor[Sqrt[5n]], {n, 0, 80}] PROG (MAGMA) [Floor(Sqrt(5*n)) : n in [0..80]] (PARI) a(n)=sqrtint(5*n) \\ Charles R Greathouse IV, Jan 17 2012 CROSSREFS Cf. A172471, A202304. Sequence in context: A253548 A083036 A241920 * A195778 A165706 A242453 Adjacent sequences:  A202302 A202303 A202304 * A202306 A202307 A202308 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Jan 17 2012 STATUS approved

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Last modified June 14 01:29 EDT 2021. Contains 345016 sequences. (Running on oeis4.)