# A086904 (b-file synthesized from sequence entry) 2 1 3 1 4 2 5 7 6 13 7 35 8 71 9 147 10 298 11 622 12 1270 13 2558 14 5257 15 10509 16 21297 17 42852 18 86258 19 173528 20 348187 21 699590 22 1404936 23 2818606 24 5657411 25 11345622 26 22746823 27 45605127 28 91421299 29 183206338 30 367111951 31 735525895 32 1473503602 33 2951661316 34 5911864292 35 11840082252