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| n | a(n) |
|---|---|
| 1 | 2180 |
| 2 | 26783 |
| 3 | 423141 |
| 4 | 6880359 |
| 5 | 109896298 |
| 6 | 1753478415 |
| 7 | 27927013232 |
| 8 | 445084441966 |
| 9 | 7093876225958 |
| 10 | 113098580382568 |
| 11 | 1803358896611418 |
| 12 | 28758054154692016 |
| 13 | 458632880805879770 |
| 14 | 7314638842629672616 |
| 15 | 116663314851350849442 |
[2180,26783,423141,6880359,109896298,1753478415, 27927013232,445084441966,7093876225958, 113098580382568,1803358896611418, 28758054154692016,458632880805879770, 7314638842629672616,116663314851350849442] |