The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A087235

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A087235

a(n) is the largest number in the set of solutions to n=x/pi(x), where pi(x)=A000720(x).
(history; published version)

#23 by Max Alekseyev at Tue Sep 04 09:27:43 EDT 2018

STATUS

editing

approved

#22 by Max Alekseyev at Tue Sep 04 09:27:39 EDT 2018

COMMENTS

Terms a(30)-a(50) obtained from the values of A038625 computed by Jan Büthe. - Giovanni Resta, Sep 01 2018

EXTENSIONS

a(29) corrected and a(30)-a(50) obtained from the values of A038625 computed by _Jan Büthe_. - _Giovanni Resta_, Sep 01 2018

STATUS

approved

editing

#21 by Susanna Cuyler at Sat Sep 01 17:44:22 EDT 2018

STATUS

proposed

approved

#20 by Giovanni Resta at Sat Sep 01 17:07:56 EDT 2018

STATUS

editing

proposed

#19 by Giovanni Resta at Sat Sep 01 12:33:12 EDT 2018

DATA

8, 33, 120, 360, 1134, 3094, 8472, 24300, 64720, 175197, 481452, 1304719, 3524654, 9560100, 25874784, 70119985, 189969354, 514278263, 1394199300, 3779856633, 10246936436, 27788573803, 75370126416, 204475055200, 554805820556, 1505578026105, 4086199303004, 1109150163300811091501633037

COMMENTS

Terms a(30)-a(50) obtained from the values of A038625 computed by Jan Büthe. - Giovanni Resta, Sep 01 2018

LINKS

Giovanni Resta, <a href="/A087235/b087235.txt">Table of n, a(n) for n = 2..50</a>

EXTENSIONS

a(29) corrected by Giovanni Resta, Sep 01 2018

STATUS

approved

editing

#18 by Michel Marcus at Wed Sep 10 02:26:08 EDT 2014

STATUS

reviewed

approved

#17 by Joerg Arndt at Wed Sep 10 02:24:06 EDT 2014

STATUS

proposed

reviewed

#16 by Michel Marcus at Wed Sep 10 02:02:36 EDT 2014

STATUS

editing

proposed

#15 by Michel Marcus at Wed Sep 10 02:02:32 EDT 2014

REFERENCES

Robert T. Harger and William L. Hightower, An Interesting Property of x/π(x), The College Mathematics Journal Vol. 40, No. 3 (May 2009), pp. 213-214

LINKS

Robert T. Harger and William L. Hightower, <a href="http://www.jstor.org/stable/25653721">An Interesting Property of x/π(x)</a>, The College Mathematics Journal Vol. 40, No. 3 (May 2009), pp. 213-214.

STATUS

reviewed

editing

#14 by Joerg Arndt at Wed Sep 10 01:51:41 EDT 2014

STATUS

proposed

reviewed