# A098051 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 4 5 8 6 16 7 32 8 65 9 134 10 280 11 592 12 1264 13 2722 14 5906 15 12900 16 28344 17 62608 18 138949 19 309692 20 692905 21 1555718 22 3504016 23 7915182 24 17927154 25 40702926 26 92623758 27 211217180 28 482593474 29 1104640484 30 2532768508 31 5816447840