3-component Carmichael numbers-correction

To: NMBRTHRY@LISTSERV.NODAK.EDU
Subject: 3-component Carmichael numbers-correction
From: Harvey Dubner <hdubner1@compuserve.com>
Date: Mon, 23 Nov 1998 13:43:08 -0500
Approved-By: "Victor S. Miller" <victor@IDACCR.ORG>
Reply-To: Harvey Dubner <hdubner1@compuserve.com>
Sender: Number Theory List <NMBRTHRY@LISTSERV.NODAK.EDU>

On November 15, 1998, I posted a message which included the counts of the
number of Carmichael numbers of the form,

(6M+1)(12M+1)(18M+1) .

Unfortunately, the table had an error in the last entry, for n=36 (10^36).
Here is the corrected table including 3 additional entries.

Harvey Dubner
_______________________________________

3 component Carmichael numbers of the form
      C = (6M+1)(12M+1)(18M+1)

  n     C's < 10^n
-----   ------------
  3          0
  4          1
  5          1
  6          2
  7          2
  8          3
  9          7
 10         10
 11         16
 12         27
 13         45
 14         77
 15        133
 16        234
 17        415
 18        746
 19       1354
 20       2480
 21       4580
 22       8519
 23      15956
 24      30069
 25      56988
 26     108570
 27     207836
 28     399638
 29     771621
 30    1495580
 31    2909178
 32    5677865
 33   11116339
 34   21828157
 35   42670184
 36   84144873
 37  166369603
 38  318733896