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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 62 |
| 4 | 849 |
| 5 | 8541 |
| 6 | 206345 |
| 7 | 2581403 |
| 8 | 76623522 |
| 9 | 1617299079 |
| 10 | 49463993875 |
| 11 | 952905453423 |
| 12 | 59000021366675 |
| 13 | 1198427462876421 |
| 14 | 54128102218676115 |
| 15 | 2321105129608323165 |
| 16 | 117387839988330848902 |
| 17 | 3205342976298888473968 |
| 18 | 268263812478494295219717 |
[1,8,62,849,8541,206345,2581403,76623522, 1617299079,49463993875,952905453423, 59000021366675,1198427462876421,54128102218676115, 2321105129608323165,117387839988330848902, 3205342976298888473968,268263812478494295219717] |