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 A066642 a(n) = floor(n^(n/2)). 6
 1, 2, 5, 16, 55, 216, 907, 4096, 19683, 100000, 534145, 2985984, 17403307, 105413504, 661735513, 4294967296, 28761784747, 198359290368, 1406563064942, 10240000000000, 76436817165460, 584318301411328, 4569515072723572 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Harry J. Smith, Table of n, a(n) for n = 1..150 EXAMPLE a(5) = 55 as {5^(1/2)}^5 = 55.9016994374947424102293417182819... MATHEMATICA Table[ Floor[Sqrt[n]^n], {n, 1, 25} ] PROG (PARI) { default(realprecision, 300); for (n=1, 150, write("b066642.txt", n, " ", floor(sqrt(n)^n + 10^-20)) ) } \\ Harry J. Smith, Mar 15 2010 (MAGMA) [Floor(n^(n/2)): n in [1..25]]; // G. C. Greubel, Dec 30 2017 CROSSREFS Cf. A147771, A190343. Sequence in context: A176828 A149972 A026106 * A019988 A137732 A057973 Adjacent sequences:  A066639 A066640 A066641 * A066643 A066644 A066645 KEYWORD easy,nonn AUTHOR Amarnath Murthy, Dec 29 2001 EXTENSIONS More terms from Robert G. Wilson v, Jan 03 2002 STATUS approved

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Last modified May 21 16:50 EDT 2018. Contains 304399 sequences. (Running on oeis4.)