# A043325 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 7 5 9 6 11 7 15 8 17 9 19 10 21 11 23 12 25 13 27 14 29 15 33 16 35 17 45 18 47 19 51 20 53 21 55 22 57