# A144354 (b-file synthesized from sequence entry) 1 1 2 4 3 1 4 20 5 12 6 1 7 120 8 80 9 48 10 24 11 1 12 840 13 600 14 800 15 200 16 240 17 40 18 1 19 6720 20 5040 21 7200 22 4000 23 1800 24 4800 25 960 26 400 27 720 28 60 29 1 30 60480 31 47040 32 70560 33 84000 34 17640 35 50400 36 28000 37 33600 38 4200 39 16800 40 6720 41 700 42 1680 43 84 44 1 45 604800 46 483840 47 752640 48 940800 49 504000 50 188160