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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 34 |
| 3 | 92 |
| 4 | 218 |
| 5 | 540 |
| 6 | 1320 |
| 7 | 3238 |
| 8 | 7934 |
| 9 | 19450 |
| 10 | 47672 |
| 11 | 116850 |
| 12 | 286412 |
| 13 | 702028 |
| 14 | 1720746 |
| 15 | 4217738 |
| 16 | 10338138 |
| 17 | 25339908 |
| 18 | 62110890 |
| 19 | 152240596 |
| 20 | 373158376 |
| 21 | 914652054 |
| 22 | 2241912374 |
| 23 | 5495172802 |
| 24 | 13469270464 |
| 25 | 33014657298 |
| 26 | 80922541380 |
[16,34,92,218,540,1320,3238,7934,19450,47672, 116850,286412,702028,1720746,4217738,10338138, 25339908,62110890,152240596,373158376,914652054, 2241912374,5495172802,13469270464,33014657298, 80922541380] |