The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A046942 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A046942

Numbers k such that k and prime(k) are both palindromes.
(history; published version)

#40 by Charles R Greathouse IV at Sun Feb 16 08:32:39 EST 2025

LINKS

Eric Weisstein's World of Mathematics, <a href="httphttps://mathworld.wolfram.com/PalindromicPrime.html">Palindromic Prime</a>.

Discussion

Sun Feb 16

08:32

OEIS Server: https://oeis.org/edit/global/3014

#39 by Alois P. Heinz at Mon May 27 16:57:09 EDT 2024

STATUS

reviewed

approved

#38 by Hugo Pfoertner at Mon May 27 16:49:49 EDT 2024

STATUS

proposed

reviewed

#37 by Michel Marcus at Sat May 25 01:21:28 EDT 2024

STATUS

editing

proposed

#36 by Michel Marcus at Sat May 25 01:20:54 EDT 2024

KEYWORD

nice,nonn,base,more,changed

STATUS

proposed

editing

Discussion

Sat May 25

01:21

Michel Marcus: I added keyword more (like in A046941)

#35 by Jon E. Schoenfield at Fri May 24 21:47:38 EDT 2024

STATUS

editing

proposed

#34 by Jon E. Schoenfield at Fri May 24 21:47:35 EDT 2024

NAME

Numbers n k such that n k and prime(nk) are both palindromes.

LINKS

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PalindromicPrime.html">Palindromic Prime</a>.

STATUS

proposed

editing

#33 by Mikk Heidemaa at Fri May 24 16:39:19 EDT 2024

STATUS

editing

proposed

#32 by Mikk Heidemaa at Fri May 24 16:38:57 EDT 2024

MATHEMATICA

ParallelDo[If [PalindromeQ @ i && PalindromeQ @ Prime @i, Print @i], {i, 6*10^8}] (* Mikk Heidemaa, May 24 2024 *)

STATUS

approved

editing

#31 by Alois P. Heinz at Fri May 24 16:05:29 EDT 2024

STATUS

proposed

approved