# A164074 (b-file synthesized from sequence entry) 1 13 2 17 3 29 4 31 5 41 6 53 7 59 8 137 9 157 10 173 11 251 12 293 13 347 14 1373 15 1459 16 2213 17 3253 18 4493 19 5333 20 6863 21 6961 22 8219 23 8317 24 9413 25 10613 26 11317 27 16811 28 18773 29 20359 30 24421 31 24517 32 26437 33 26573 34 27893 35 37253 36 54293 37 70969 38 76733 39 78157 40 80173 41 85853