# A063931 (b-file synthesized from sequence entry) 2 6 3 12 4 15 5 20 6 24 7 28 8 30 9 35 10 40 11 45 12 42 13 48 14 54 15 60 16 66 17 56 18 63 19 70 20 77 21 84 22 91 23 72 24 80