# A334155 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 15 4 57 5 273 6 1593 7 10953 8 86553 9 771993 10 7666713 11 83871513 12 1001957913 13 12976997913 14 181106559513 15 2709277004313 16 43247182412313 17 733699248716313 18 13182759232076313 19 250070586344012313 20 4994229502288460313 21 104743211837530700313 22 2301653725221036620313