# A008928 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 3 6 6 7 10 8 21 9 38 10 77 11 144 12 293 13 563 14 1131 15 2205 16 4434 17 8711 18 17466 19 34506 20 69169 21 137247 22 274677 23 546081 24 1093217 25 2177556 26 4356756 27 8688370 28 17381926 29 34691608 30 69394626 31 138578144 32 277197191 33 553794526 34 1107654097 35 2213527055