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A047747 A discrete analog of Li(n): round ( Sum_{k=2..n} 1/log_10 (k) ). 0
3, 5, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 19, 20, 21, 22, 23, 23, 24, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 32, 32, 33, 34, 34, 35, 36, 36, 37, 37, 38, 39, 39, 40, 40, 41, 42, 42, 43, 43, 44, 45, 45, 46, 46, 47, 47, 48, 49, 49, 50, 50, 51 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..65.

MATHEMATICA

Round[Accumulate[1/Log10[Range[2, 70]]]] (* Harvey P. Dale, Aug 08 2019 *)

CROSSREFS

Sequence in context: A007731 A306590 A249494 * A007957 A194377 A344449

Adjacent sequences:  A047744 A047745 A047746 * A047748 A047749 A047750

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified October 22 07:53 EDT 2021. Contains 348160 sequences. (Running on oeis4.)