OFFSET
1,3
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
FORMULA
EXAMPLE
a(3) = 3 because sum of aliquot divisors of 3rd highly composite number i.e. 4 is 1 + 2 = 3.
MATHEMATICA
aliq[n_] := DivisorSigma[1, n] - n; s = {}; dm = 0; Do[d = DivisorSigma[0, n]; If[d > dm, dm = d; AppendTo[s, aliq[n]]], {n, 1, 1000}]; s (* Amiram Eldar, Aug 05 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, Jul 21 2002
STATUS
approved