# A144890 (b-file synthesized from sequence entry) 1 1 2 5 3 1 4 30 5 5 6 1 7 210 8 30 9 25 10 5 11 1 12 1680 13 210 14 150 15 30 16 25 17 5 18 1 19 15120 20 1680 21 1050 22 900 23 210 24 150 25 125 26 30 27 25 28 5 29 1 30 151200 31 15120 32 8400 33 6300 34 1680 35 1050 36 900 37 750 38 210 39 150 40 125 41 30 42 25 43 5 44 1 45 1663200 46 151200 47 75600 48 50400 49 44100 50 15120 51 8400 52 6300 53 5250 54 4500