# A095107 (b-file synthesized from sequence entry) 1 2 2 6 3 10 4 54 5 106 6 346 7 1410 8 3994 9 12828 10 46242 11 158252 12 542568 13 1865796 14 6822592 15 25120772 16 88926198 17 327561126 18 1212380122 19 4358259840 20 16111686770 21 59936356888