# A014281 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 1 4 1 5 2 6 3 7 4 8 9 9 18 10 40 11 84 12 189 13 425 14 986 15 2298 16 5465 17 13072 18 31661 19 77173 20 189697 21 468969 22 1166720 23 2916983 24 7329321 25 18494428 26 46859177 27 119161865 28 304076055 29 778399130 30 1998552928 31 5145515877 32 13282204144 33 34368982552 34 89136810772