# A144877 (b-file synthesized from sequence entry) 1 1 2 3 3 1 4 6 5 9 6 1 7 6 8 24 9 27 10 18 11 1 12 0 13 30 14 180 15 60 16 135 17 30 18 1 19 0 20 0 21 270 22 360 23 90 24 1080 25 405 26 120 27 405 28 45 29 1 30 0 31 0 32 0 33 1260 34 0 35 1890 36 2520 37 5670 38 210 39 3780 40 2835 41 210 42 945 43 63 44 1 45 0 46 0 47 0 48 0 49 1260 50 0 51 0 52 10080 53 11340 54 30240 55 0 56 7560 57 10080 58 45360 59 8505 60 420 61 10080 62 11340