The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A259587 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A259587

Numbers k such that [r[s*k]] - [s[r*k]] = 2, where r = sqrt(2), s=sqrt(3), and [ ] = floor.
(history; published version)

#17 by OEIS Server at Tue Feb 13 05:58:30 EST 2018

LINKS

G. C. Greubel, <a href="/A259587/b259587_2.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..1000 from Clark Kimberling)

#16 by Bruno Berselli at Tue Feb 13 05:58:30 EST 2018

STATUS

reviewed

approved

Discussion

Tue Feb 13

05:58

OEIS Server: Installed new b-file as b259587.txt.  Old b-file is now b259587_2.txt.

#15 by Paolo P. Lava at Tue Feb 13 05:31:34 EST 2018

STATUS

proposed

reviewed

#14 by G. C. Greubel at Tue Feb 13 02:59:10 EST 2018

STATUS

editing

proposed

#13 by G. C. Greubel at Tue Feb 13 02:59:05 EST 2018

LINKS

G. C. Greubel, <a href="/A259587/b259587_12.txt">Table of n, a(n) for n = 1..999910000</a> (terms 1..1000 from Clark Kimberling)

STATUS

proposed

editing

#12 by G. C. Greubel at Tue Feb 13 02:57:54 EST 2018

STATUS

editing

proposed

#11 by G. C. Greubel at Tue Feb 13 02:57:51 EST 2018

LINKS

Clark Kimberling, G. C. Greubel, <a href="/A259587/b259587_1.txt">Table of n, a(n) for n = 1..9999</a> (terms 1..1000</a> from Clark Kimberling)

STATUS

approved

editing

#10 by Giovanni Resta at Sun Jul 19 13:25:03 EDT 2015

STATUS

proposed

approved

#9 by Michel Marcus at Sun Jul 19 12:45:52 EDT 2015

STATUS

editing

proposed

#8 by Michel Marcus at Sun Jul 19 12:45:42 EDT 2015

COMMENTS

It is easy to prove that [r[s*k]] - [s[r*k]] ranges from -2 to 2. For k = 1 to 10, the values of [r[s*k]] - [s[r*k]] are 0, 1, 1, 0, -1, 1, 1, -1, 1, 0; the first appearance of 2 is when k = 41.

first appearance of 2 is when k = 41.

STATUS

approved

editing

Discussion

Sun Jul 19

12:45

Michel Marcus: removed break