The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A154580 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A154580

Decimal expansion of log_10 (15).
(history; published version)

#12 by R. J. Mathar at Mon Jul 29 12:15:29 EDT 2024

STATUS

editing

approved

#11 by R. J. Mathar at Mon Jul 29 12:15:19 EDT 2024

FORMULA

Equals A016638 / A002392 = (1+A152914)/(1+A152675). - R. J. Mathar, Jul 29 2024

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approved

editing

#10 by Charles R Greathouse IV at Tue Aug 04 01:19:47 EDT 2020

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editing

approved

#9 by Charles R Greathouse IV at Tue Aug 04 01:19:44 EDT 2020

LINKS

<a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>

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approved

editing

#8 by Charles R Greathouse IV at Sat Mar 17 03:45:18 EDT 2018

STATUS

editing

approved

#7 by Charles R Greathouse IV at Sat Mar 17 03:45:13 EDT 2018

PROG

(PARI) log(15)/log(10) \\ Charles R Greathouse IV, Mar 17 2018

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approved

editing

#6 by Joerg Arndt at Wed Sep 11 04:09:58 EDT 2013

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reviewed

approved

#5 by Bruno Berselli at Wed Sep 11 04:03:36 EDT 2013

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proposed

reviewed

#4 by Vincenzo Librandi at Wed Sep 11 04:02:40 EDT 2013

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editing

proposed

#3 by Vincenzo Librandi at Wed Sep 11 04:02:34 EDT 2013

LINKS

Vincenzo Librandi, <a href="/A154580/b154580.txt">Table of n, a(n) for n = 1..1000</a>

MATHEMATICA

RealDigits[Log[10, 15], 10, 100][[1]] (* Vincenzo Librandi, Sep 11 2013 *)

CROSSREFS

Cf. decimal expansion of log_10(m): A007524 (m=2), A114490 (m=3), A114493 (m=4), A153268 (m=5), A153496 (m=6), A153620 (m=7), A153790 (m=8), A104139 (m=9), A154182 (m=11), A154203 (m=12), A154368 (m=13), A154478 (m=14), this sequence, A154794 (m=16), A154860 (m=17), A154953 (m=18), A155062 (m=19), A155522 (m=20), A155677 (m=21), A155746 (m=22), A155830 (m=23), A155979 (m=24).

STATUS

approved

editing