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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 106 |
| 4 | 115955 |
| 5 | 7236515981 |
| 6 | 40684710729862072 |
| 7 | 29745278219128813035415595 |
| 8 | 3847028733161627562733350467148495403 |
| 9 | 114752550881830601773639529476205016572641397025904 |
| 10 | 996942995951678818059423286104073541295789338859855813183302036541 |
[1,1,3,106,115955,7236515981,40684710729862072, 29745278219128813035415595, 3847028733161627562733350467148495403, 11475255088183060177363952947620501657264139702590\ 4, 99694299595167881805942328610407354129578933885985\ 5813183302036541] |