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| n | a(n) |
|---|---|
| 10 | 1 |
| 11 | 10 |
| 12 | 4127 |
| 13 | 45562 |
| 14 | 4719041 |
| 15 | 58003461 |
| 16 | 3795919780 |
| 17 | 52052335254 |
| 18 | 2772611610514 |
| 19 | 42268105493955 |
| 20 | 2037044419366071 |
| 21 | 34333238955892416 |
| 22 | 1578674337291922196 |
| 23 | 29239755067140936242 |
| 24 | 1321207703588407017510 |
| 25 | 26733500408009431631728 |
| 26 | 1208079945873987947779946 |
[1,10,4127,45562,4719041,58003461,3795919780, 52052335254,2772611610514,42268105493955, 2037044419366071,34333238955892416, 1578674337291922196,29239755067140936242, 1321207703588407017510,26733500408009431631728, 1208079945873987947779946] |