# A034734 (b-file synthesized from sequence entry) 1 1 2 3 3 6 4 13 5 21 6 48 7 77 8 163 9 298 10 593 11 1113 12 2268 13 4329 14 8659 15 17046 16 33949 17 67133 18 134076 19 266325 20 531763 21 1059702 22 2116065 23 4222961 24 8437812 25 16852321 26 33680387 27 67305930 28 134544781 29 268949685 30 537722088 31 1075088093 32 2149697251