# A320469 (b-file synthesized from sequence entry) 0 1 1 1 2 13 3 49 4 277 5 1321 6 6733 7 33409 8 167557 9 836761 10 4185853 11 20925169 12 104634037 13 523153801 14 2615801773 15 13078943329 16 65394847717 17 326973976441 18 1634870406493 19 8174350983889 20 40871757016597 21 204358780888681 22 1021793912832013 23 5108969547382849 24 25544847770468677