# A087506 (b-file synthesized from sequence entry) 1 5 2 13 3 71 4 127 5 163 6 197 7 227 8 307 9 317 10 409 11 523 12 587 13 593 14 761 15 857 16 947 17 1151 18 1321 19 1373 20 1783 21 1861 22 1973 23 2039 24 2273 25 2417 26 2543 27 3049 28 3083 29 3457 30 3463 31 3697 32 3739 33 4093 34 4243 35 4253 36 4463 37 4483 38 4519 39 4583 40 4657 41 4723 42 4751 43 5171 44 5179 45 5519 46 5591