# A370841 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 13 5 35 6 96 7 264 8 719 9 1914 10 4888 11 11583 12 23540 13 29907 14 -57120 15 -695742 16 -3938275 17 -18266657 18 -76983710 19 -306116660 20 -1168987469 21 -4327878214 22 -15617536020 23 -55097816085 24 -190320077663 25 -643865817117 26 -2131713980560 27 -6893257768141