OFFSET
1,1
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..10000
MATHEMATICA
Table[480*n*DivisorSigma[7, n], {n, 1, 20}] (* Jean-François Alcover, Feb 27 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jul 11 2017
STATUS
approved