# A036886 (b-file synthesized from sequence entry) 1 1 2 3 3 6 4 13 5 27 6 61 7 132 8 285 9 590 10 1190 11 2325 12 4441 13 8288 14 15197 15 27394 16 48679 17 85332 18 147790 19 253016 20 428602 21 718696 22 1193779 23 1964996 24 3206966 25 5191350 26 8339001 27 13296592 28 21053380 29 33112242 30 51746168 31 80372146 32 124104612 33 190557592