A005128 Number of k for which n does not divide Stirling_2 subset numbers \{{n \atop k}\}.

1, 0, 2, 2, 4, 2, 5, 2, 8, 7, 7, 2, 10, 2, 9, 10, 16, 2, 16, 2, 16, 11, 13, 2, 20, 15, 13, 22, 20, 2, 13, 2, 32, 14, 11, 20, 32, 2, 18, 18, 33, 2, 33, 2, 26, 31, 20, 2, 44, 28, 34, 20, 31, 2, 47, 23, 38, 19, 18, 2, 42, 2, 15, 37, 64, 29, 37, 2, 33, 22, 43, 2, 58, 2, 26, 57, 40, 42