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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 11 |
| 3 | 197 |
| 4 | 4593 |
| 5 | 126289 |
| 6 | 3888343 |
| 7 | 130016393 |
| 8 | 4629617873 |
| 9 | 173225211953 |
| 10 | 6746427428131 |
| 11 | 271578345652109 |
| 12 | 11240106619304609 |
| 13 | 476332107976984545 |
| 14 | 20601333127791572143 |
| 15 | 906951532759564554769 |
| 16 | 40554743852511698293601 |
[1,1,11,197,4593,126289,3888343,130016393, 4629617873,173225211953,6746427428131, 271578345652109,11240106619304609, 476332107976984545,20601333127791572143, 906951532759564554769,40554743852511698293601] |