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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 322 |
| 3 | 322 |
| 4 | 1278 |
| 5 | 1632 |
| 6 | 1278 |
| 7 | 5228 |
| 8 | 8236 |
| 9 | 8236 |
| 10 | 5228 |
| 11 | 21456 |
| 12 | 44186 |
| 13 | 53167 |
| 14 | 44186 |
| 15 | 21456 |
| 16 | 87164 |
| 17 | 238640 |
| 18 | 373804 |
| 19 | 373804 |
| 20 | 238640 |
| 21 | 87164 |
| 22 | 354008 |
| 23 | 1260486 |
| 24 | 2671962 |
| 25 | 3604930 |
| 26 | 2671962 |
| 27 | 1260486 |
| 28 | 354008 |
| 29 | 1441060 |
| 30 | 6627450 |
| 31 | 18401364 |
| 32 | 35476776 |
[81,322,322,1278,1632,1278,5228,8236,8236,5228, 21456,44186,53167,44186,21456,87164,238640,373804, 373804,238640,87164,354008,1260486,2671962, 3604930,2671962,1260486,354008,1441060,6627450, 18401364,35476776] |