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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 128 |
| 3 | 90621 |
| 4 | 193322261 |
| 5 | 933620289929 |
| 6 | 8632521193856886 |
| 7 | 136885314823146617517 |
| 8 | 3443427946573913689696192 |
| 9 | 129667338445150206244162849650 |
| 10 | 6988095504452769015520539806767120 |
| 11 | 520011535068804196524689647521015780176 |
[1,1,128,90621,193322261,933620289929, 8632521193856886,136885314823146617517, 3443427946573913689696192, 129667338445150206244162849650, 6988095504452769015520539806767120, 520011535068804196524689647521015780176] |