A070680 Smallest m in range 1..phi(n) such that 11^m == 1 mod n, or 0 if no such number exists.

0, 1, 2, 2, 1, 2, 3, 2, 6, 1, 0, 2, 12, 3, 2, 4, 16, 6, 3, 2, 6, 0, 22, 2, 5, 12, 18, 6, 28, 2, 30, 8, 0, 16, 3, 6, 6, 3, 12, 2, 40, 6, 7, 0, 6, 22, 46, 4, 21, 5, 16, 12, 26, 18, 0, 6, 6, 28, 58, 2, 4, 30, 6, 16, 12, 0, 66, 16, 22, 3, 70, 6, 72, 6, 10, 6, 0, 12, 39, 4