A004223 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A004223

a(n) = 100*log_10(n) rounded to the nearest integer.

0, 30, 48, 60, 70, 78, 85, 90, 95, 100, 104, 108, 111, 115, 118, 120, 123, 126, 128, 130, 132, 134, 136, 138, 140, 141, 143, 145, 146, 148, 149, 151, 152, 153, 154, 156, 157, 158, 159, 160, 161, 162, 163, 164

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..44.

CROSSREFS

Sequence in context: A281919 A004222 A207143 * A230558 A272949 A271998

Adjacent sequences: A004220 A004221 A004222 * A004224 A004225 A004226

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved