# A193005 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 11 4 40 5 115 6 280 7 611 8 1234 9 2357 10 4320 11 7677 12 13328 13 22733 14 38258 15 63735 16 105368 17 173199 18 283480 19 462511 20 752850 21 1223361 22 1985472 23 3219481 24 5217120 25 8450425 26 13683170 27 22151171 28 35854024 29 58027147 30 93905560 31 151959707 32 245895058 33 397887533