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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 85 |
| 3 | 146 |
| 4 | 489 |
| 5 | 1469 |
| 6 | 3281 |
| 7 | 4579 |
| 8 | 6181 |
| 9 | 8119 |
| 10 | 19871 |
| 11 | 23969 |
| 12 | 99269 |
| 13 | 238631 |
| 14 | 439031 |
| 15 | 470009 |
| 16 | 536269 |
| 17 | 961969 |
| 18 | 1240619 |
| 19 | 1365631 |
| 20 | 2579981 |
| 21 | 2887219 |
| 22 | 3105031 |
| 23 | 3696881 |
| 24 | 3953221 |
| 25 | 5096981 |
| 26 | 5413801 |
| 27 | 7002379 |
| 28 | 8006069 |
| 29 | 8874781 |
| 30 | 22050881 |
| 31 | 23310631 |
| 32 | 27854731 |
| 33 | 34596869 |
| 34 | 40465769 |
[6,85,146,489,1469,3281,4579,6181,8119,19871, 23969,99269,238631,439031,470009,536269,961969, 1240619,1365631,2579981,2887219,3105031,3696881, 3953221,5096981,5413801,7002379,8006069,8874781, 22050881,23310631,27854731,34596869,40465769] |