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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 49 |
| 3 | 1849 |
| 4 | 67081 |
| 5 | 2418025 |
| 6 | 522134761 |
| 7 | 676678989289 |
| 8 | 876975982612969 |
| 9 | 1136560874204496361 |
| 10 | 1472982892995886760425 |
| 11 | 1908985829323636470956521 |
| 12 | 2474045634803467686907986409 |
| 13 | 3206363142705295375772778742249 |
| 14 | 4155446632946062852128962559066601 |
[0,1,49,1849,67081,2418025,522134761,676678989289, 876975982612969,1136560874204496361, 1472982892995886760425,1908985829323636470956521, 2474045634803467686907986409, 3206363142705295375772778742249, 4155446632946062852128962559066601] |