# A299041 (b-file synthesized from sequence entry) 1 1 2 1 3 12 4 30 5 20 6 1 7 60 8 690 9 2940 10 5670 11 5040 12 1680 13 1 14 252 15 8730 16 103820 17 581700 18 1767360 19 3087000 20 3099600 21 1663200 22 369600 23 1 24 1020 25 94890 26 2615340 27 32186070 28 214628400 29 859992000 30 2189325600 31 3628409400 32 3903900000 33 2630628000 34 1009008000 35 168168000 36 1 37 4092 38 979530 39 58061420 40 1411122300