1,2
Table of n, a(n) for n=1..50.
The sum of even divisors of 18 that are less than 18 is 8=2+6.
Cf. A091570, A074400.
Sequence in context: A099985 A110765 A176991 * A071223 A055934 A096217
Adjacent sequences: A091815 A091816 A091817 * A091819 A091820 A091821
easy,nonn
Mohammad K. Azarian, Mar 07 2004
approved