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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 13 |
| 2 | 139 |
| 3 | 12739 |
| 4 | 1281739 |
| 5 | 1281739243 |
| 6 | 1281737299243 |
| 7 | 12817372218799243 |
| 8 | 128173765612218799243 |
| 9 | 12196838173765612218799243 |
| 10 | 1219683817376590495612218799243 |
| 11 | 1219683817714717376590495612218799243 |
| 12 | 1219683853144117714717376590495612218799243 |
| 13 | 12196838531441159432317714717376590495612218799243 |
| 14 | 121968385314411594323177147478296917376590495612218799243 |
[1,13,139,12739,1281739,1281739243,1281737299243, 12817372218799243,128173765612218799243, 12196838173765612218799243, 1219683817376590495612218799243, 1219683817714717376590495612218799243, 1219683853144117714717376590495612218799243, 12196838531441159432317714717376590495612218799243\ , 12196838531441159432317714747829691737659049561221\ 8799243] |