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| n | a(n) |
|---|---|
| 1 | 639228 |
| 2 | 6027037 |
| 3 | 86136256 |
| 4 | 1365133989 |
| 5 | 20587404155 |
| 6 | 319124131437 |
| 7 | 5043778832638 |
| 8 | 78770412758751 |
| 9 | 1231980088879281 |
| 10 | 19349677731583522 |
| 11 | 303689465790003843 |
| 12 | 4763548444287970719 |
| 13 | 74773298354655308950 |
[639228,6027037,86136256,1365133989,20587404155, 319124131437,5043778832638,78770412758751, 1231980088879281,19349677731583522, 303689465790003843,4763548444287970719, 74773298354655308950] |