# A058475 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 5 4 41 5 394 6 4704 7 65386 8 1049754 9 19032392 10 385419072 11 8615947592 12 210831826952 13 5604404196832 14 160834760288864 15 4955867959526784 16 163197046787269792 17 5719576163352685696 18 212565832527352216928 19 8350117027586731306848