# A008927 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 3 6 6 7 10 8 20 9 36 10 70 11 130 12 252 13 475 14 916 15 1745 16 3362 17 6438 18 12410 19 23852 20 46020 21 88697 22 171339 23 330938 24 640189 25 1238751 26 2399677 27 4650819 28 9021862 29 17510819 30 34013311 31 66106491 32 128568177 33 250191797 34 487168941 35 949133722