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Revision History for A236670 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A236670 Start with 6; thereafter, primes obtained by concatenating to the end of previous term the next smallest number that will produce a prime.
(history; published version)
#14 by N. J. A. Sloane at Fri Nov 28 22:55:29 EST 2014
STATUS

reviewed

approved

#13 by Wesley Ivan Hurt at Fri Nov 28 21:09:19 EST 2014
STATUS

proposed

reviewed

#12 by Derek Orr at Fri Nov 28 13:08:39 EST 2014
STATUS

editing

proposed

#11 by Derek Orr at Fri Nov 28 13:08:35 EST 2014
NAME

PrimesStart with 6; thereafter, primes obtained by concatenating to the end of previous term the next smallest number that will produce a prime, starting with 6.

STATUS

approved

editing

#10 by Michel Marcus at Thu Nov 27 00:18:35 EST 2014
STATUS

reviewed

approved

#9 by Wesley Ivan Hurt at Wed Nov 26 23:21:31 EST 2014
STATUS

proposed

reviewed

#8 by Derek Orr at Wed Nov 26 23:17:25 EST 2014
STATUS

editing

proposed

#7 by Derek Orr at Wed Nov 26 23:17:22 EST 2014
COMMENTS

a(n+1) is the next smallest prime beginning with a(n). Initial term is 6. TheseAfter a(1), these are the primes arising in A069608.

STATUS

approved

editing

#6 by T. D. Noe at Thu Jan 30 13:18:29 EST 2014
STATUS

editing

approved

#5 by T. D. Noe at Thu Jan 30 13:16:35 EST 2014
DATA

6, 61, 613, 6131, 613141, 61314119, 6131411917, 61314119171, 6131411917181, 613141191718127, 61314119171812789, 613141191718127893, 61314119171812789379, 6131411917181278937929, 61314119171812789379291, 61314119171812789379291111, 6131411917181278937929111129, 613141191718127893792911112913

CROSSREFS

Cf. A069608, A048553, A110773.

STATUS

proposed

editing

Discussion
Thu Jan 30 13:18 
T. D. Noe: Three lines of numbers. You can probably write a function for doing that.  When you do, add it to http://oeis.org/wiki/Sequence_Tools

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Last modified August 30 13:06 EDT 2024. Contains 375543 sequences. (Running on oeis4.)