# A104993 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 16 5 31 6 61 7 117 8 224 9 424 10 796 11 1476 12 2717 13 4938 14 8876 15 15756 16 27616 17 47764 18 81542 19 137356 20 228363 21 374755 22 607213 23 971675 24 1536235 25 2400465 26 3708625 27 5667325 28 8569742 29 12827751 30 19015101 31 27923781 32 40638610 33 58633470 34 83896398 35 119089492