# A143171 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 3 5 3 6 1 7 15 8 12 9 3 10 6 11 1 12 105 13 75 14 30 15 30 16 15 17 10 18 1 19 945 20 630 21 225 22 90 23 225 24 180 25 15 26 60 27 45 28 15 29 1 30 10395 31 6615 32 2205 33 1575 34 2205 35 1575 36 630 37 315 38 525 39 630 40 105 41 105 42 105 43 21 44 1 45 135135 46 83160 47 26460 48 17640 49 7875 50 26460 51 17640 52 12600 53 3150 54 2520 55 5880 56 6300