# A014426 (b-file synthesized from sequence entry) 1 3 2 7 3 23 4 47 5 83 6 103 7 107 8 127 9 151 10 269 11 277 12 311 13 419 14 463 15 467 16 541 17 967 18 983 19 1231 20 1249 21 1279 22 1601 23 1867 24 3527 25 3643 26 4457 27 5279 28 5711 29 5813 30 9613 31 11057 32 12713 33 13451