OFFSET
1,4
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
FORMULA
a(n) = A070824(n^2). - Ray Chandler, Nov 08 2018
MATHEMATICA
Join[{0}, DivisorSigma[0, Range[2, 100]^2]-2] (* Harvey P. Dale, Oct 17 2016 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Mark Taggart (mt2612f(AT)aol.com), Apr 12 2006
STATUS
approved