OFFSET
1,3
LINKS
T. D. Noe, Table of n, a(n) for n=1..1000
EXAMPLE
a(6)=11 because sum of aliquot divisors of 6th triangular number(i.e. 21) is 1+3+7=11.
CROSSREFS
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, Sep 21 2002
STATUS
approved