A070673 Smallest m in range 2..n-1 such that m^8 == 1 mod n, or 1 if no such number exists.

1, 1, 2, 3, 2, 5, 6, 3, 8, 3, 10, 5, 5, 13, 2, 3, 2, 17, 18, 3, 8, 21, 22, 5, 7, 5, 26, 13, 12, 7, 30, 3, 10, 9, 6, 17, 6, 37, 5, 3, 3, 13, 42, 21, 8, 45, 46, 5, 48, 7, 2, 5, 23, 53, 12, 13, 20, 17, 58, 7, 11, 61, 8, 7, 8, 23, 66, 9, 22, 13, 70, 17, 10, 31, 7, 37