|
| |
|
|
A110597
|
|
Balanced numbers n such that n mod 12 = 1.
|
|
0
|
|
|
|
1, 1045, 29029, 50065, 64285, 87685, 1390753, 2011009, 3189625, 7711405, 39298441, 53238625, 68393065, 75416341, 96345613, 225938245, 228404605, 231562825, 233591605, 279999445, 458406445, 462027565, 470527057, 491291125, 513574369, 663605761, 666373825
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
COMMENTS
|
For the first 27 terms, the quotient (sigma(n)/phi(n)) is 1, 2 or 3.
|
|
|
LINKS
|
Table of n, a(n) for n=1..27.
|
|
|
MAPLE
|
with(numtheory); BNM1:=[]: for z from 1 to 1 do for m from 0 to 500000 do n:=12*m+1; if sigma(n) mod phi(n) = 0 then BNM1:=[op(BNM1), n] fi; od; od; BNM1;
|
|
|
CROSSREFS
|
Cf. A000010, A000203, A020492, A062699.
Sequence in context: A224604 A045027 A023067 * A056092 A164771 A030083
Adjacent sequences: A110594 A110595 A110596 * A110598 A110599 A110600
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Walter Kehowski, Sep 13 2005
|
|
|
EXTENSIONS
|
a(10)-a(27) from Donovan Johnson, Aug 30 2012
|
|
|
STATUS
|
approved
|
| |
|
|
