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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 6 |
| 2 | 117 |
| 3 | 9466 |
| 4 | 800982 |
| 5 | 6423465 |
| 6 | 756360062 |
| 7 | 24900904028 |
| 8 | 1019349744435 |
| 9 | 15069267560119 |
| 10 | 794839706330581 |
| 11 | 71333925879937154 |
| 12 | 2419512779032508628 |
| 13 | 116073623326088126430 |
| 14 | 359642847542169431827 |
| 15 | 144552623583462302226851 |
| 16 | 3523356323886506075746572 |
[0,6,117,9466,800982,6423465,756360062, 24900904028,1019349744435,15069267560119, 794839706330581,71333925879937154, 2419512779032508628,116073623326088126430, 359642847542169431827,144552623583462302226851, 3523356323886506075746572] |