# A020620 (b-file synthesized from sequence entry) 1 3 2 5 3 11 4 13 5 17 6 19 7 23 8 29 9 31 10 37 11 41 12 47 13 53 14 61 15 67 16 71 17 83 18 97 19 101 20 109 21 163 22 181 23 191 24 239 25 263 26 293 27 307 28 383 29 431 30 691 31 821 32 2111 33 2351