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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 10 |
| 4 | 15 |
| 5 | 35 |
| 6 | 77 |
| 7 | 91 |
| 8 | 143 |
| 9 | 187 |
| 10 | 209 |
| 11 | 221 |
| 12 | 247 |
| 13 | 299 |
| 14 | 323 |
| 15 | 391 |
| 16 | 437 |
| 17 | 493 |
| 18 | 527 |
| 19 | 551 |
| 20 | 589 |
| 21 | 667 |
| 22 | 703 |
| 23 | 713 |
| 24 | 851 |
| 25 | 899 |
| 26 | 943 |
| 27 | 989 |
| 28 | 1073 |
| 29 | 1147 |
| 30 | 1189 |
| 31 | 1247 |
| 32 | 1271 |
| 33 | 1333 |
| 34 | 1363 |
| 35 | 1457 |
| 36 | 1517 |
| 37 | 1537 |
| 38 | 1591 |
| 39 | 1643 |
| 40 | 1739 |
| 41 | 1763 |
| 42 | 1829 |
| 43 | 1891 |
| 44 | 1927 |
| 45 | 1961 |
| 46 | 2021 |
| 47 | 2173 |
| 48 | 2183 |
| 49 | 2257 |
| 50 | 2279 |
[4,6,10,15,35,77,91,143,187,209,221,247,299,323, 391,437,493,527,551,589,667,703,713,851,899,943, 989,1073,1147,1189,1247,1271,1333,1363,1457,1517, 1537,1591,1643,1739,1763,1829,1891,1927,1961,2021, 2173,2183,2257,2279] |