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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 395 |
| 3 | 2258 |
| 4 | 11177 |
| 5 | 39066 |
| 6 | 115437 |
| 7 | 435346 |
| 8 | 1301347 |
| 9 | 3254058 |
| 10 | 7250601 |
| 11 | 14586864 |
| 12 | 27468493 |
| 13 | 48432962 |
| 14 | 90680841 |
| 15 | 159195650 |
| 16 | 266270819 |
| 17 | 425175128 |
| 18 | 656161039 |
| 19 | 978109790 |
| 20 | 1420349857 |
| 21 | 2103099262 |
| 22 | 3031628829 |
| 23 | 4265730016 |
| 24 | 5881688235 |
[2,395,2258,11177,39066,115437,435346,1301347, 3254058,7250601,14586864,27468493,48432962, 90680841,159195650,266270819,425175128,656161039, 978109790,1420349857,2103099262,3031628829, 4265730016,5881688235] |