total num of chars: 5 total num of families: 3 chars where some sequence of nonzero coeffs is not unimodal in abs value: none chars where some polynomial has both positive and negative coeffs: none chars where some polynomial has strictly negative coeffs: 1.1 = 311 in family 1.1 = 311 | 0 elements where some sequence of nonzero coeffs is not unimodal in abs value. | 0 elements where some polynomial has both positive and negative coeffs. | 1 elements where some polynomial has strictly negative coeffs. 1.1 = 311 in family 1.1 = 311 #7 [ 1, 2, 1 ]