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| n | a(n) |
|---|---|
| 1 | 19487171 |
| 2 | 1801088541 |
| 3 | 27512614111 |
| 4 | 194754273881 |
| 5 | 897410677851 |
| 6 | 3142742836021 |
| 7 | 9095120158391 |
| 8 | 22876792454961 |
| 9 | 51676101935731 |
| 10 | 107213535210701 |
| 11 | 194871710000000 |
| 12 | 207616015289871 |
| 13 | 379749833583241 |
[19487171,1801088541,27512614111,194754273881, 897410677851,3142742836021,9095120158391, 22876792454961,51676101935731,107213535210701, 194871710000000,207616015289871,379749833583241] |