The On-Line Encyclopedia of Integer Sequences (OEIS)

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Revision History for A112381

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A112381

Zero-free semiprimes.
(history; published version)

#18 by Michael De Vlieger at Sun Nov 05 09:02:05 EST 2023

STATUS

proposed

approved

#17 by Michel Marcus at Sun Nov 05 06:02:37 EST 2023

STATUS

editing

proposed

#16 by Michel Marcus at Sun Nov 05 06:02:33 EST 2023

AUTHOR

_Zak Seidov, _, May 30 2006

STATUS

approved

editing

#15 by Bruno Berselli at Tue Oct 15 03:37:08 EDT 2013

STATUS

reviewed

approved

#14 by Joerg Arndt at Tue Oct 15 02:14:38 EDT 2013

STATUS

proposed

reviewed

#13 by Michel Marcus at Tue Oct 15 00:30:07 EDT 2013

STATUS

editing

proposed

#12 by Michel Marcus at Mon Oct 14 07:51:52 EDT 2013

EXAMPLE

74 is in the sequence because it is a semiprime (2*37) and does not have 0 in digits. - Michel Marcus, Oct 14 2013

EXTENSIONS

Data corrected by Michel Marcus, Oct 14 2013

Discussion

Tue Oct 15

00:30

Michel Marcus: No news from Zak. Submitting.

#11 by Michel Marcus at Mon Oct 14 07:50:31 EDT 2013

DATA

4, 6, 9, 14, 15, 21, 22, 25, 26, 33, 34, 35, 38, 39, 46, 49, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 111, 115, 118, 119, 121, 122, 123, 129, 133, 134, 141, 142, 143, 145, 146, 155, 158, 159, 161, 166, 169, 177, 178, 183, 185, 187, 217, 221, 247, 253, 289, 299, 319, 323, 341, 361, 377, 391, 437, 493, 527, 529, 551, 589, 667, 713, 841

#10 by Joerg Arndt at Sat Oct 12 02:15:09 EDT 2013

STATUS

proposed

editing

#9 by T. D. Noe at Fri Oct 11 20:31:46 EDT 2013

STATUS

editing

proposed

Discussion

Sat Oct 12

01:16

Michel Marcus: OK. Let's wait for the w-end end to give Zak a chance to have a look.