# A020628 (b-file synthesized from sequence entry) 1 3 2 5 3 7 4 11 5 13 6 17 7 23 8 41 9 43 10 53 11 71 12 79 13 83 14 127 15 131 16 151 17 239 18 251 19 383 20 691 21 719 22 1151