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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 256 |
| 3 | 1232 |
| 4 | 5929 |
| 5 | 18172 |
| 6 | 55696 |
| 7 | 133812 |
| 8 | 321489 |
| 9 | 662256 |
| 10 | 1364224 |
| 11 | 2526384 |
| 12 | 4678569 |
| 13 | 8011752 |
| 14 | 13719616 |
| 15 | 22123992 |
| 16 | 35676729 |
| 17 | 54856032 |
| 18 | 84345856 |
| 19 | 124764640 |
| 20 | 184552225 |
| 21 | 264364100 |
| 22 | 378691600 |
| 23 | 527969260 |
| 24 | 736091161 |
| 25 | 1002761760 |
| 26 | 1366041600 |
[16,256,1232,5929,18172,55696,133812,321489, 662256,1364224,2526384,4678569,8011752,13719616, 22123992,35676729,54856032,84345856,124764640, 184552225,264364100,378691600,527969260,736091161, 1002761760,1366041600] |