# A193297 (b-file synthesized from sequence entry) 2 1 3 3 4 7 5 12 6 28 7 65 8 50 9 140 10 325 11 811 12 225 13 700 14 1950 15 4866 16 12762 17 1092 18 3675 19 11375 20 34062 21 89334 22 244588 23 5684 24 20384 25 68250 26 227080 27 714672 28 1956704 29 5574956 30 31572 31 119364 32 425880 33 1532790 34 5360040 35 17610336 36 50174604 37 148332645