# A148919 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 8 4 36 5 115 6 529 7 1895 8 8855 9 33729 10 160727 11 637268 12 3069226 13 12527125 14 60683485 15 253007532 16 1231455946 17 5218227906 18 25498514854 19 109450738571 20 536404268553 21 2326770285360 22 11429406175510 23 50009101642780 24 246121050775180 25 1084761675664592 26 5347280346046416 27 23714434855529478