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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 7 |
| 3 | 182 |
| 4 | 8699 |
| 5 | 704834 |
| 6 | 84889638 |
| 7 | 14322115212 |
| 8 | 3216832016019 |
| 9 | 928559550102410 |
| 10 | 334876925319944690 |
| 11 | 147563833511292247796 |
| 12 | 78009671642511668089822 |
| 13 | 48728981875112003682759892 |
| 14 | 35506576774281843111748649644 |
| 15 | 29848802048200930275501944893080 |
[1,1,7,182,8699,704834,84889638,14322115212, 3216832016019,928559550102410,334876925319944690, 147563833511292247796,78009671642511668089822, 48728981875112003682759892, 35506576774281843111748649644, 29848802048200930275501944893080] |