# A320271 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 6 6 9 7 17 8 26 9 46 10 72 11 124 12 196 13 329 14 525 15 871 16 1396 17 2293 18 3689 19 6028 20 9717 21 15817 22 25534 23 41475 24 67009 25 108680 26 175689 27 284698 28 460387 29 745610 30 1205997 31 1952478 32 3158475 33 5112349 34 8270824 35 13385466 36 21656290 37 35045445 38 56701735 39 91753208