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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 15 |
| 2 | 79 |
| 3 | 239 |
| 4 | 593 |
| 5 | 1199 |
| 6 | 2239 |
| 7 | 3759 |
| 8 | 6049 |
| 9 | 9119 |
| 10 | 13391 |
| 11 | 18815 |
| 12 | 25969 |
| 13 | 34719 |
| 14 | 45823 |
| 15 | 59039 |
| 16 | 75329 |
| 17 | 94319 |
| 18 | 117199 |
| 19 | 143439 |
| 20 | 174481 |
| 21 | 209615 |
| 22 | 250559 |
| 23 | 296399 |
| 24 | 349153 |
| 25 | 407679 |
| 26 | 474319 |
| 27 | 547679 |
| 28 | 630449 |
| 29 | 720959 |
| 30 | 822271 |
| 31 | 932415 |
| 32 | 1054849 |
[1,15,79,239,593,1199,2239,3759,6049,9119,13391, 18815,25969,34719,45823,59039,75329,94319,117199, 143439,174481,209615,250559,296399,349153,407679, 474319,547679,630449,720959,822271,932415,1054849] |