The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A244971

(Bold, blue-underlined text is an ; faded, red-underlined text is a ~~deletion~~.)
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Number of regions in the symmetric representation of sigma(n) on the four quadrants.
(history; published version)

#29 by Susanna Cuyler at Mon May 24 23:32:18 EDT 2021

STATUS

proposed

#28 by Antti Karttunen at Mon May 24 15:08:54 EDT 2021

STATUS

editing

#27 by Antti Karttunen at Mon May 24 14:18:17 EDT 2021

LINKS

STATUS

approved

#26 by N. J. A. Sloane at Thu Dec 31 11:11:15 EST 2020

COMMENTS

Number of terraces at the n-th level (starting from the top) of the step pyramid described in A244050. - Omar E. Pol, Apr 20 2016

EXAMPLE

Illustration of the top view of the step pyramid with 16 levels:

Note that the above diagram contains a hidden pattern, simpler, which emerges from the front view of every corner of the step pyramid.

Discussion

Thu Dec 31

11:11

OEIS Server: https://oeis.org/edit/global/2881

#25 by N. J. A. Sloane at Sun Apr 24 22:37:32 EDT 2016

STATUS

reviewed

#24 by G. C. Greubel at Wed Apr 20 19:07:54 EDT 2016

STATUS

proposed

#23 by Omar E. Pol at Wed Apr 20 17:05:42 EDT 2016

STATUS

editing

#22 by Omar E. Pol at Wed Apr 20 17:05:37 EDT 2016

EXAMPLE

Illustration of the top view of the pyramid with 16 levels:

STATUS

proposed

#21 by Omar E. Pol at Wed Apr 20 17:01:10 EDT 2016

STATUS

editing

#20 by Omar E. Pol at Wed Apr 20 17:00:46 EDT 2016

EXAMPLE