The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A113074 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A113074

Beginning with 3, primes of the form: least multiple of the previous term followed by a 7. Beginning with 3, a(n) is the least prime of the form k*a(n-1)*10 +7.
(history; published version)

#6 by Alois P. Heinz at Mon Nov 15 04:40:04 EST 2021

STATUS

reviewed

approved

#5 by Joerg Arndt at Mon Nov 15 03:38:21 EST 2021

STATUS

proposed

reviewed

#4 by Michel Marcus at Mon Nov 15 03:26:42 EST 2021

STATUS

editing

proposed

#3 by Michel Marcus at Mon Nov 15 03:26:39 EST 2021

EXTENSIONS

More terms from _Joshua Zucker, _, Jan 11 2006

STATUS

approved

editing

#2 by N. J. A. Sloane at Thu Dec 05 19:57:06 EST 2013

AUTHOR

_Amarnath Murthy (amarnath_murthy(AT)yahoo.com), _, Jan 03 2006

Discussion

Thu Dec 05

19:57

OEIS Server: https://oeis.org/edit/global/2075

#1 by N. J. A. Sloane at Tue Jan 24 03:00:00 EST 2006

NAME

Beginning with 3, primes of the form: least multiple of the previous term followed by a 7. Beginning with 3, a(n) is the least prime of the form k*a(n-1)*10 +7.

DATA

3, 37, 1117, 11177, 223547, 26825647, 268256477, 40238471557, 13278695613817, 1195082605243537, 191213216838965927, 38242643367793185407, 6883675806202773373267

OFFSET

1,1

KEYWORD

base,nonn,new

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jan 03 2006

EXTENSIONS

More terms from Joshua Zucker, Jan 11 2006

STATUS

approved