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A162988 n appears A008578(n) times. 1
1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..96.

FORMULA

a(n) ~ 2 sqrt(n / log n)

CROSSREFS

Sequence in context: A095791 A238965 A036042 * A143824 A182009 A034463

Adjacent sequences:  A162985 A162986 A162987 * A162989 A162990 A162991

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Jul 19 2009

EXTENSIONS

Formula and more terms from Charles R Greathouse IV, Nov 02 2009

Correction for change of offset in A158611 and A008578 in Aug 2009 Jaroslav Krizek, Jan 27 2010

STATUS

approved

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Last modified May 21 15:32 EDT 2019. Contains 323444 sequences. (Running on oeis4.)