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A138194 Floor(2*n/(3*log(n))). 2
1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,4

COMMENTS

a(n) <= A000720(n) <= A138195(n), (Tschebyscheff, 1850).

LINKS

Table of n, a(n) for n=2..91.

CROSSREFS

Cf. A050500, A050499, A050501.

Sequence in context: A235043 A071538 A321017 * A133876 A321018 A152467

Adjacent sequences:  A138191 A138192 A138193 * A138195 A138196 A138197

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 04 2008

STATUS

approved

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Last modified September 26 20:36 EDT 2020. Contains 337374 sequences. (Running on oeis4.)