# A043302 (b-file synthesized from sequence entry) 1 1 2 2 3 1 4 4 5 6 6 3 7 8 8 24 9 30 10 15 11 16 12 80 13 180 14 210 15 105 16 32 17 240 18 840 19 1680 20 1890 21 945 22 64 23 672 24 3360 25 10080 26 18900 27 20790 28 10395 29 128 30 1792 31 12096 32 50400 33 138600 34 249480 35 270270 36 135135 37 256 38 4608 39 40320 40 221760 41 831600 42 2162160 43 3783780 44 4054050