| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 38 |
| 3 | 238 |
| 4 | 956 |
| 5 | 3294 |
| 6 | 10762 |
| 7 | 33804 |
| 8 | 101396 |
| 9 | 290268 |
| 10 | 797260 |
| 11 | 2114037 |
| 12 | 5437406 |
| 13 | 13608427 |
| 14 | 33213956 |
| 15 | 79197154 |
| 16 | 184791538 |
| 17 | 422567975 |
| 18 | 948321570 |
| 19 | 2091208462 |
| 20 | 4536221049 |
| 21 | 9688543730 |
| 22 | 20391555264 |
| 23 | 42323960656 |
| 24 | 86685565242 |
| 25 | 175300099767 |
[10,38,238,956,3294,10762,33804,101396,290268, 797260,2114037,5437406,13608427,33213956,79197154, 184791538,422567975,948321570,2091208462, 4536221049,9688543730,20391555264,42323960656, 86685565242,175300099767] |