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| n | a(n) |
|---|---|
| 0 | 13 |
| 1 | 169 |
| 2 | 28561 |
| 3 | 815730721 |
| 4 | 665416609183179841 |
| 5 | 442779263776840698304313192148785281 |
| 6 | 196053476430761073330659760423566015424403280004115787589590963842248961 |
[13,169,28561,815730721,665416609183179841, 442779263776840698304313192148785281, 19605347643076107333065976042356601542440328000411\ 5787589590963842248961] |