# A369734 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 1 4 1 5 3 6 8 7 17 8 35 9 79 10 177 11 409 12 995 13 2475 14 6336 15 16078 16 41401 17 107304 18 279550 19 736032 20 1950000 21 5199850 22 13950852 23 37576658 24 101670863 25 276228026 26 753114256 27 2060995699 28 5658663542 29 15583477334 30 43039552072 31 119179072495 32 330836308272 33 920537185436