1,2

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

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

Sequence in context: A095791 A238965 A036042 * A143824 A182009 A034463

Adjacent sequences: A162985 A162986 A162987 * A162989 A162990 A162991

nonn

Jaroslav Krizek, Jul 19 2009

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

approved