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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 11 |
| 3 | 312 |
| 4 | 15261 |
| 5 | 1082784 |
| 6 | 101540943 |
| 7 | 11887094592 |
| 8 | 1671909996537 |
| 9 | 274908280855680 |
| 10 | 51777320665313331 |
| 11 | 10995461917161191424 |
| 12 | 2599903208658745278549 |
| 13 | 677539978514149068122112 |
| 14 | 192961347474468607479984375 |
| 15 | 59630505640075441195821563904 |
| 16 | 19874186375795055056211917494257 |
[1,1,11,312,15261,1082784,101540943,11887094592, 1671909996537,274908280855680,51777320665313331, 10995461917161191424,2599903208658745278549, 677539978514149068122112, 192961347474468607479984375, 59630505640075441195821563904, 19874186375795055056211917494257] |