The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 316 |
| 3 | 316 |
| 4 | 1256 |
| 5 | 1536 |
| 6 | 1256 |
| 7 | 4984 |
| 8 | 7356 |
| 9 | 7356 |
| 10 | 4984 |
| 11 | 19900 |
| 12 | 36168 |
| 13 | 44828 |
| 14 | 36168 |
| 15 | 19900 |
| 16 | 78144 |
| 17 | 175768 |
| 18 | 272828 |
| 19 | 272828 |
| 20 | 175768 |
| 21 | 78144 |
| 22 | 311512 |
| 23 | 848720 |
| 24 | 1668300 |
| 25 | 2161168 |
| 26 | 1668300 |
| 27 | 848720 |
| 28 | 311512 |
| 29 | 1227648 |
| 30 | 4121060 |
| 31 | 10006572 |
| 32 | 16418704 |
[81,316,316,1256,1536,1256,4984,7356,7356,4984, 19900,36168,44828,36168,19900,78144,175768,272828, 272828,175768,78144,311512,848720,1668300,2161168, 1668300,848720,311512,1227648,4121060,10006572, 16418704] |