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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 14 |
| 3 | 154 |
| 4 | 1273 |
| 5 | 986 |
| 6 | 60605 |
| 7 | 138411 |
| 8 | 587074 |
| 9 | 11682411 |
| 10 | 53882397 |
| 11 | 1419040497 |
| 12 | 10970441168 |
| 13 | 162901726271 |
| 14 | 162901726270 |
| 15 | 14028069972496 |
| 16 | 418009365630087 |
| 17 | 29188950975317201 |
| 18 | 386792219894091763 |
| 19 | 3445270276615037892 |
[6,14,154,1273,986,60605,138411,587074,11682411, 53882397,1419040497,10970441168,162901726271, 162901726270,14028069972496,418009365630087, 29188950975317201,386792219894091763, 3445270276615037892] |