The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A249906 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A249906

a(n) is the index of the first occurrence of n in A249905, or -1 if n does not occur.
(history; published version)

#20 by N. J. A. Sloane at Thu Aug 13 14:02:28 EDT 2020

LINKS

Erich Friedman, <a href="httphttps://www2erich-friedman.stetsongithub.edu/~efriedmaio/mathmagic/0912.html">Math Magic</a> (September 2012)

Discussion

Thu Aug 13

14:02

OEIS Server: https://oeis.org/edit/global/2866

#19 by Michel Marcus at Sun Nov 04 02:54:32 EST 2018

STATUS

reviewed

approved

#18 by Joerg Arndt at Sun Nov 04 02:53:47 EST 2018

STATUS

proposed

reviewed

#17 by Michel Marcus at Fri Nov 02 05:35:32 EDT 2018

STATUS

editing

proposed

#16 by Michel Marcus at Fri Nov 02 05:35:29 EDT 2018

EXTENSIONS

a(10)-a(11) using data from Johan de Ruiter added by Jeremy Tan, Nov 02 2018

#15 by Michel Marcus at Fri Nov 02 05:33:12 EDT 2018

NAME

a(n) = is the index of the first occurrence of n in A249905, or -1 if n does not occur.

STATUS

proposed

editing

#14 by Jeremy Tan at Fri Nov 02 05:31:59 EDT 2018

STATUS

editing

proposed

Discussion

Fri Nov 02

05:32

Michel Marcus: here you were right : you are adding data not a bfile

#13 by Jeremy Tan at Fri Nov 02 05:31:50 EDT 2018

EXTENSIONS

a(10)-a(11) added using data from Johan de Ruiter by Jeremy Tan, Nov 02 2018

STATUS

proposed

editing

#12 by Jeremy Tan at Fri Nov 02 05:31:00 EDT 2018

STATUS

editing

proposed

#11 by Jeremy Tan at Fri Nov 02 05:30:45 EDT 2018

DATA

1, 0, -1, 3, 2, 5, 9, 13, 89, 485, 4891

EXTENSIONS

a(10)-a(11) added using data from Johan de Ruiter by Jeremy Tan, Nov 02 2018

STATUS

approved

editing