| n | a(n) |
|---|---|
| 1 | 405044 |
| 2 | 5013608 |
| 3 | 118551272 |
| 4 | 2894745288 |
| 5 | 72359809802 |
| 6 | 1811913699224 |
| 7 | 45371704729062 |
| 8 | 1137317580721148 |
| 9 | 28509333379628144 |
| 10 | 714577961821004794 |
| 11 | 17911976379170153868 |
| 12 | 448990730607000485512 |
| 13 | 11254523930303304555260 |
[405044,5013608,118551272,2894745288,72359809802, 1811913699224,45371704729062,1137317580721148, 28509333379628144,714577961821004794, 17911976379170153868,448990730607000485512, 11254523930303304555260] |