# A063976 (b-file synthesized from sequence entry) 1 2 2 7 3 11 4 13 5 15 6 16 7 19 8 21 9 22 10 23 11 25 12 27 13 29 14 31 15 34 16 35 17 37 18 39 19 41 20 43 21 45 22 46 23 47 24 49