# A047199 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 4 7 10 8 20 9 60 10 105 11 168 12 364 13 588 14 930 15 2250 16 3960 17 6820 18 17380 19 30745 20 52507 21 126763 22 219765 23 372120 24 898380 25 1572228 26 2702252 27 6619596 28 11666760 29 20167170 30 49146654 31 86461704 32 149465844 33 363087604 34 639438019