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| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 3327 |
| 3 | 28606 |
| 4 | 196301 |
| 5 | 1158554 |
| 6 | 6121871 |
| 7 | 29688844 |
| 8 | 134361100 |
| 9 | 574209267 |
| 10 | 2337788346 |
| 11 | 9128782573 |
| 12 | 34372098576 |
| 13 | 125327730017 |
| 14 | 444081743234 |
| 15 | 1533640995983 |
| 16 | 5174881667481 |
| 17 | 17096446731321 |
| 18 | 55402030270777 |
| 19 | 176377009761145 |
| 20 | 552397160169465 |
| 21 | 1704039417961465 |
| 22 | 5183132984363513 |
| 23 | 15559823619750905 |
| 24 | 46141145945628665 |
[256,3327,28606,196301,1158554,6121871,29688844, 134361100,574209267,2337788346,9128782573, 34372098576,125327730017,444081743234, 1533640995983,5174881667481,17096446731321, 55402030270777,176377009761145,552397160169465, 1704039417961465,5183132984363513, 15559823619750905,46141145945628665] |