A131848 Least nonnegative number which when added to the n-th semiprime gives a multiple of n.

0, 0, 0, 2, 1, 3, 0, 2, 2, 4, 0, 2, 4, 4, 6, 2, 2, 3, 2, 3, 5, 4, 4, 3, 1, 1, 26, 27, 1, 3, 2, 3, 5, 7, 34, 33, 33, 34, 37, 39, 1, 3, 0, 43, 1, 43, 46, 1, 2, 4, 49, 50, 0, 1, 54, 55, 51, 54, 53, 55, 57, 54, 51, 54, 57, 59, 62, 63, 63, 66, 69, 71, 1, 3, 4, 2, 73, 75, 69, 71