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A047743 A discrete analog of Li(n): floor ( Sum_{k=2..n} 1/log_2 (k) ). 1
1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

LINKS

Table of n, a(n) for n=2..75.

CROSSREFS

Sequence in context: A285524 A209356 A099741 * A062299 A157685 A220658

Adjacent sequences:  A047740 A047741 A047742 * A047744 A047745 A047746

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified July 20 14:20 EDT 2019. Contains 325185 sequences. (Running on oeis4.)