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| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 2896 |
| 3 | 29902 |
| 4 | 283672 |
| 5 | 2573798 |
| 6 | 22515040 |
| 7 | 192101098 |
| 8 | 1606970816 |
| 9 | 13241328464 |
| 10 | 107791850352 |
| 11 | 868939726164 |
| 12 | 6948437293776 |
| 13 | 55190272360908 |
| 14 | 435883708681040 |
| 15 | 3425905431290298 |
| 16 | 26814545618470232 |
| 17 | 209120413244975698 |
[256,2896,29902,283672,2573798,22515040,192101098, 1606970816,13241328464,107791850352,868939726164, 6948437293776,55190272360908,435883708681040, 3425905431290298,26814545618470232, 209120413244975698] |