The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A189227

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A189227

Primes among the curvatures in the nickel-dime-quarter Apollonian circle packing A189226.
(history; published version)

#27 by N. J. A. Sloane at Thu Jun 01 13:51:28 EDT 2017

STATUS

reviewed

approved

#26 by Joerg Arndt at Thu Jun 01 13:47:14 EDT 2017

STATUS

proposed

reviewed

#25 by Antti Karttunen at Thu Jun 01 13:45:16 EDT 2017

STATUS

editing

proposed

#24 by Antti Karttunen at Thu Jun 01 13:44:38 EDT 2017

CROSSREFS

Cf. A248930, A248938.

#23 by Antti Karttunen at Thu Jun 01 13:38:36 EDT 2017

LINKS

S. Finch, <a href="http://www.people.fas.harvard.edu/~sfinch/csolveA189227/apoa189227.pdf">Apollonian circles with integer curvatures</a> [Cached copy, with permission of the author]

S. Finch, <a href="/A189227/a189227.pdf">Apollonian circles with integer curvatures</a>

#22 by Antti Karttunen at Thu Jun 01 13:37:52 EDT 2017

LINKS

S. Finch, <a href="/A189227/a189227.pdf">Apollonian circles with integer curvatures</a>

STATUS

approved

editing

#21 by Wesley Ivan Hurt at Sat Oct 18 09:25:37 EDT 2014

STATUS

reviewed

approved

#20 by Michel Marcus at Sat Oct 18 07:35:27 EDT 2014

STATUS

proposed

reviewed

#19 by Jon E. Schoenfield at Sat Oct 18 06:51:04 EDT 2014

STATUS

editing

proposed

#18 by Jon E. Schoenfield at Sat Oct 18 06:51:02 EDT 2014

KEYWORD

sign,more

sign

STATUS

approved

editing