OFFSET
1,2
COMMENTS
For background references see A330570.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
With[{s = Table[Ceiling[DivisorSigma[0, n] / 2], {n, 1, 100}]}, Accumulate[Most[s] * Rest[s]]] (* Amiram Eldar, Apr 19 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 10 2020
STATUS
approved