# A049013 (b-file synthesized from sequence entry) 1 5 2 7 3 9 4 11 5 13 6 15 7 17 8 19 9 21 10 23 11 25 12 27 13 29 14 31 15 33 16 35 17 37 18 39 19 41 20 43 21 45 22 47 23 49 24 51