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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -3 |
| 2 | -23 |
| 3 | 1253 |
| 4 | -37103 |
| 5 | 371085 |
| 6 | 76436089 |
| 7 | -10302629131 |
| 8 | 856245051169 |
| 9 | -29959421725155 |
| 10 | -7591883371988471 |
| 11 | 2479373526284421125 |
| 12 | -467017398613705230287 |
| 13 | 54102457995859264343469 |
[1,-3,-23,1253,-37103,371085,76436089, -10302629131,856245051169,-29959421725155, -7591883371988471,2479373526284421125, -467017398613705230287,54102457995859264343469] |