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| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 912 |
| 3 | 3067 |
| 4 | 13654 |
| 5 | 59330 |
| 6 | 294349 |
| 7 | 1450678 |
| 8 | 7519806 |
| 9 | 38907153 |
| 10 | 204788176 |
| 11 | 1077280478 |
| 12 | 5698807413 |
| 13 | 30141225914 |
| 14 | 159706380100 |
| 15 | 846175230733 |
| 16 | 4485916253958 |
| 17 | 23781297237114 |
| 18 | 126096070580625 |
| 19 | 668599352875654 |
[256,912,3067,13654,59330,294349,1450678,7519806, 38907153,204788176,1077280478,5698807413, 30141225914,159706380100,846175230733, 4485916253958,23781297237114,126096070580625, 668599352875654] |