A036431 a(n) = number of positive integers b which, when added to the number of their divisors, tau(b), gives n.

0, 1, 0, 1, 1, 0, 2, 0, 1, 1, 0, 2, 1, 1, 1, 0, 0, 2, 2, 0, 2, 0, 0, 1, 2, 2, 0, 1, 0, 1, 2, 1, 1, 1, 0, 0, 1, 3, 2, 0, 0, 1, 2, 0, 2, 0, 0, 1, 1, 3, 1, 1, 0, 0, 2, 1, 0, 2, 1, 0, 2, 2, 1, 1, 0, 1, 0, 0, 3, 0, 1, 1, 2, 2, 1, 0, 0, 2, 0, 0, 3, 1, 0, 1, 1, 3, 3, 0, 0, 1, 2, 2, 0, 0, 0, 1, 2, 1, 2, 2