# A027302 (b-file synthesized from sequence entry) 1 1 2 2 3 9 4 24 5 95 6 286 7 1099 8 3536 9 13479 10 45220 11 172150 12 594320 13 2265003 14 7983990 15 30487175 16 109174560 17 417812417 18 1514797020 19 5810065898 20 21275014800 21 81775140083 22 301892460012 23 1162703549474 24 4321730134624 25 16675372590850 26 62340424959176 27 240949471232124