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A095394 a(n) = Floor[n^((n)/(n+1))], integer part of n^x where x = n/(n+1) < 1. 1
1, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 61, 62, 63, 64, 65, 66, 67, 68 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

1, 3, 9, 24, 61, 160, 420, 1120, ... appear in the sequence twice. The ratio of such numbers converges to e. [Charles R Greathouse IV, Oct 26 2011]

LINKS

Table of n, a(n) for n=1..73.

MATHEMATICA

Table[Floor[N[x^((x+1)/(x)), 50]], {x, 1, 15}]

PROG

(PARI) a(n)=floor(n^(n/(n+1.))) \\ Charles R Greathouse IV, Oct 26 2011

CROSSREFS

Cf. A059921.

Sequence in context: A091960 A162621 A180446 * A257682 A029928 A101788

Adjacent sequences:  A095391 A095392 A095393 * A095395 A095396 A095397

KEYWORD

nonn

AUTHOR

Labos Elemer, Jun 17 2004

STATUS

approved

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Last modified August 20 22:45 EDT 2019. Contains 326155 sequences. (Running on oeis4.)