The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A235265 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A235265

Primes whose base-3 representation also is the base-2 representation of a prime.
(history; published version)

#41 by N. J. A. Sloane at Sat Mar 04 15:11:13 EST 2023

STATUS

proposed

approved

#40 by Michel Marcus at Thu Feb 16 12:28:16 EST 2023

STATUS

editing

proposed

#39 by Michel Marcus at Thu Feb 16 12:28:07 EST 2023

LINKS

Veikko Pohjola, <a href="http://list.seqfan.eu/oldermail/seqfan/2014-January/012202.html">A090709 Decimal primes whose decimal representation in base 6 is also prime</a>, SeqFan list, Jan 03 2014.

EXAMPLE

E.g., 3 = 10_3 and 10_2 = 2 is prime. 13 = 111_3 and 111_2 = 7 is prime.

STATUS

proposed

editing

#38 by M. F. Hasler at Wed Feb 15 18:35:30 EST 2023

STATUS

editing

proposed

#37 by M. F. Hasler at Wed Feb 15 18:35:27 EST 2023

CROSSREFS

Subset of A077717.

Cf. A235266, A065720 and A036952, A065721 - A065727, A235394, A235395, A089971 and A020449, A089981, A090707 - A091924, A235461 - A235482. See M. F. Hasler's OEIS wiki page for further cross-references.

STATUS

approved

editing

#36 by N. J. A. Sloane at Mon Jan 02 12:30:49 EST 2023

LINKS

Veikko Pohjola, <a href="http://list.seqfan.eu/pipermailoldermail/seqfan/2014-January/012202.html">A090709 Decimal primes whose decimal representation in base 6 is also prime</a>, SeqFan list, Jan 03 2014

Discussion

Mon Jan 02

12:30

OEIS Server: https://oeis.org/edit/global/2957

#35 by Joerg Arndt at Mon Jan 17 02:45:32 EST 2022

STATUS

reviewed

approved

#34 by Michel Marcus at Mon Jan 17 00:10:37 EST 2022

STATUS

proposed

reviewed

#33 by Michael S. Branicky at Sun Jan 16 23:56:51 EST 2022

STATUS

editing

proposed

#32 by Michael S. Branicky at Sun Jan 16 23:55:30 EST 2022

PROG

print([next(g:=agen()) for n in range(1, 52)]) # Michael S. Branicky, Jan 16 2022