# A270367 (b-file synthesized from sequence entry) 0 0 1 2 2 3 3 10 4 35 5 191 6 1162 7 8996 8 77877 9 786757 10 8801276 11 110180038 12 1508049127 13 22568091079 14 364984569510 15 6360525167496 16 118634584548905 17 2360362530705801 18 49871009321693920 19 1115567129580176010 20 26332809559025886651