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| n | a(n) |
|---|---|
| 1 | 8181 |
| 2 | 400869 |
| 3 | 1507005 |
| 4 | 3918213 |
| 5 | 11151837 |
| 6 | 22002273 |
| 7 | 26669007 |
| 8 | 47319957 |
| 9 | 58170393 |
| 10 | 73843245 |
| 11 | 75825981 |
| 12 | 83488077 |
| 13 | 94338513 |
| 14 | 108277641 |
| 15 | 119656197 |
| 16 | 126889821 |
| 17 | 137740257 |
| 18 | 163057941 |
| 19 | 184758813 |
| 20 | 191992437 |
| 21 | 199226061 |
| 22 | 202842873 |
| 23 | 204768225 |
| 24 | 220926933 |
| 25 | 228160557 |
| 26 | 258457473 |
| 27 | 264328677 |
| 28 | 277602471 |
| 29 | 300496797 |
[8181,400869,1507005,3918213,11151837,22002273, 26669007,47319957,58170393,73843245,75825981, 83488077,94338513,108277641,119656197,126889821, 137740257,163057941,184758813,191992437,199226061, 202842873,204768225,220926933,228160557,258457473, 264328677,277602471,300496797] |