# A068998 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 6 5 7 6 8 7 9 8 11 9 12 10 13 11 16 12 17 13 18 14 19 15 21 16 22 17 23 18 24 19 25 20 27 21 29 22 31 23 32 24 33 25 36 26 37 27 39 28 41 29 43 30 44 31 46 32 47 33 48 34 49 35 51 36 53 37 54