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| n | a(n) |
|---|---|
| 1 | 186 |
| 2 | 279 |
| 3 | 896 |
| 4 | 2208 |
| 5 | 4522 |
| 6 | 10617 |
| 7 | 25690 |
| 8 | 58606 |
| 9 | 134296 |
| 10 | 314471 |
| 11 | 729920 |
| 12 | 1686078 |
| 13 | 3909750 |
| 14 | 9081515 |
| 15 | 21033032 |
| 16 | 48765365 |
| 17 | 113054330 |
| 18 | 262238504 |
| 19 | 607643220 |
| 20 | 1409411303 |
| 21 | 3266491942 |
| 22 | 7576260468 |
| 23 | 17557722330 |
| 24 | 40724481666 |
| 25 | 94379231110 |
[186,279,896,2208,4522,10617,25690,58606,134296, 314471,729920,1686078,3909750,9081515,21033032, 48765365,113054330,262238504,607643220,1409411303, 3266491942,7576260468,17557722330,40724481666, 94379231110] |