# A054355 (b-file synthesized from sequence entry) 0 1 1 3 2 7 3 14 4 26 5 48 6 91 7 178 8 357 9 728 10 1497 11 3083 12 6331 13 12937 14 26292 15 53144 16 106846 17 213676 18 425126 19 841854 20 1660587 21 3266550 22 6416933 23 12607706 24 24811601 25 48969428 26 97010347 27 192968489 28 385347506 29 772039743 30 1550372341 31 3117282657