# A116769 (b-file synthesized from sequence entry) 1 1 2 2 3 6 4 21 5 76 6 263 7 843 8 2501 9 6941 10 18245 11 45928 12 111721 13 264482 14 612707 15 1394929 16 3131269 17 6948043 18 15269985 19 33290710 20 72085673 21 155182152 22 332387343 23 708820807 24 1505731877 25 3187639497 26 6727621949 27 14159916404 28 29729158217