A015908 First odd k>n such that k | n^k + n (or 0 if n=2^m).

0, 15, 0, 1566, 111, 35, 0, 123, 365, 671, 15, 185653, 259, 85, 0, 4369, 39, 247, 800005, 39, 55, 115, 1731, 85, 221, 135, 35, 105821, 51, 403, 0, 55, 1649, 1939, 3177, 3293, 95, 2283, 3845, 697, 357, 215, 143, 153, 667, 235, 435, 511, 485