OFFSET
1,2
MATHEMATICA
Table[(DivisorSigma[7, n]-DivisorSigma[1, n])/168, {n, 1, 49, 2}] (* Harvey P. Dale, Sep 17 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Apr 11 2003
STATUS
approved