# A336721 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 7 5 13 6 17 7 19 8 31 9 49 10 61 11 83 12 89 13 107 14 127 15 167 16 179 17 197 18 233 19 241 20 269 21 281 22 347 23 373 24 421 25 443 26 457 27 487 28 521 29 607 30 697 31 769 32 829 33 881 34 1049 35 1063