# A320526 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 2 5 10 6 40 7 141 8 464 9 1480 10 4600 11 14145 12 43052 13 130480 14 393820 15 1186521 16 3568784 17 10725760 18 32213200 19 96714465 20 290284052 21 871142800 22 2613981700 23 7843080201 24 23531425304 25 70598731840 26 211804847800 27 635432109585 28 1906330676252 29 5719061512720 30 17157321139180