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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 2452 |
| 3 | 74255 |
| 4 | 2057843 |
| 5 | 49010279 |
| 6 | 1069763402 |
| 7 | 21520521111 |
| 8 | 402124337377 |
| 9 | 7049259658273 |
| 10 | 117524585367333 |
| 11 | 1858128714283714 |
| 12 | 28065131026231750 |
| 13 | 406687509969300256 |
| 14 | 5684012329518595575 |
| 15 | 76816249933435417617 |
[64,2452,74255,2057843,49010279,1069763402, 21520521111,402124337377,7049259658273, 117524585367333,1858128714283714, 28065131026231750,406687509969300256, 5684012329518595575,76816249933435417617] |