# A292930 (b-file synthesized from sequence entry) 1 1 2 2 3 8 4 3 5 24 6 60 7 4 8 48 9 240 10 480 11 5 12 80 13 600 14 2400 15 4200 16 6 17 120 18 1200 19 7200 20 25200 21 40320 22 7 23 168 24 2100 25 16800 26 88200 27 282240 28 423360 29 8 30 224 31 3360 32 33600 33 235200 34 1128960 35 3386880 36 4838400 37 9 38 288 39 5040 40 60480 41 529200 42 3386880 43 15240960 44 43545600 45 59875200 46 10 47 360 48 7200 49 100800 50 1058400 51 8467200 52 50803200 53 217728000 54 598752000 55 798336000