# A032803 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 5 4 11 5 23 6 47 7 99 8 203 9 423 10 877 11 1819 12 3777 13 7831 14 16253 15 33715 16 69953 17 145137 18 301113 19 624745 20 1296165 21 2689221 22 5579425 23 11575849 24 24016893 25 49828757 26 103381739 27 214490133 28 445011179 29 923282285 30 1915570171 31 3974309213 32 8245656195 33 17107588781