# A065041 (b-file synthesized from sequence entry) 1 3 2 5 3 7 4 11 5 13 6 17 7 19 8 29 9 31 10 37 11 41 12 53 13 61 14 73 15 95 16 97 17 109 18 127 19 143 20 157 21 181 22 209