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A067831
Primes p such that sigma(p-6) < p.
4
7, 11, 13, 17, 19, 23, 29, 37, 43, 47, 53, 59, 67, 73, 79, 89, 103, 107, 109, 113, 137, 157, 163, 173, 179, 197, 199, 229, 233, 239, 257, 263, 269, 277, 283, 313, 317, 337, 353, 359, 373, 379, 389, 439, 449, 463, 467, 509, 547, 563, 569, 577, 593, 599, 607
OFFSET
1,1
COMMENTS
Superset of A046117. - R. J. Mathar, Sep 30 2008
MATHEMATICA
Select[Prime[Range[4, 200]], DivisorSigma[1, #-6]<#&] (* Harvey P. Dale, Aug 10 2023 *)
CROSSREFS
Sequence in context: A283532 A163648 A135776 * A086998 A028416 A040121
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Feb 08 2002
STATUS
approved