1,2
Table of n, a(n) for n=1..8.
Index entries for sequences related to divisors of numbers
G.f.: (-1 - 2*x + 3*x^2 - 2*x^3 - x^4)/((-1 + x)^3 (1 + x + x^2)^2) -Alexander R. Povolotsky, Oct 23 2010
(PARI) divisors(488) \\ Charles R Greathouse IV, Jun 22 2017
Sequence in context: A018473 A004094 A028910 * A036447 A263451 A069027
Adjacent sequences: A018479 A018480 A018481 * A018483 A018484 A018485
nonn,fini,full,easy
N. J. A. Sloane.
approved
