# A089742 (b-file synthesized from sequence entry) 0 1 1 3 2 7 3 17 4 41 5 99 6 242 7 596 8 1477 9 3681 10 9215 11 23155 12 58368 13 147530 14 373768 15 948882 16 2413264 17 6147414 18 15682008 19 40056238 20 102434119 21 262228051 22 671945055 23 1723350315 24 4423518544 25 11362907022 26 29208834520 27 75131251334 28 193370093508