A088324 Smallest prime formed by a substring of the decimal digits of 1/n beginning with the first (nonzero) digit after the decimal point, or 0 if no such prime exists.

0, 5, 3, 2, 2, 0, 1428571, 0, 11, 0, 0, 83, 7, 7, 0, 0, 5, 5, 5, 5, 47, 0, 43, 41, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 19, 19, 0, 1851851, 181, 17, 17, 17, 0, 0, 163, 1612903, 1587301, 0, 1538461, 151, 149, 0, 0, 1428571, 0, 13, 13, 13, 13, 13, 0