# A028766 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 8 5 12 6 14 7 18 8 19 9 20 10 21 11 22 12 23 13 26 14 27 15 30 16 31 17 32 18 33 19 34 20 35 21 39 22 41 23 45 24 48 25 50 26 51