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A067809
Composite n such that sigma(3*n) < prime(n).
0
57, 69, 77, 81, 85, 87, 91, 93, 95, 99, 111, 115, 117, 119, 121, 123, 125, 129, 133, 135, 141, 143, 145, 147, 153, 155, 159, 161, 165, 169, 171, 175, 177, 183, 185, 187, 189, 194, 195, 201, 202, 203, 205, 206, 207, 209, 213, 214, 215, 217, 218, 219, 221, 225
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..54.
CROSSREFS
Sequence in context:
A336328
A056082
A218562
*
A176636
A072054
A336330
Adjacent sequences:
A067806
A067807
A067808
*
A067810
A067811
A067812
KEYWORD
nonn
AUTHOR
Benoit Cloitre
, Feb 07 2002
STATUS
approved
