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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 49 |
| 2 | 2601 |
| 3 | 148225 |
| 4 | 8970025 |
| 5 | 570111129 |
| 6 | 37678303881 |
| 7 | 2567836387809 |
| 8 | 179267329355625 |
| 9 | 12754414737348025 |
| 10 | 921185098227422161 |
| 11 | 67340346156989933769 |
| 12 | 4971327735657992896201 |
| 13 | 369994703739586257235225 |
| 14 | 27725052308247030792515625 |
| 15 | 2089567204521186409129541025 |
[1,49,2601,148225,8970025,570111129,37678303881, 2567836387809,179267329355625,12754414737348025, 921185098227422161,67340346156989933769, 4971327735657992896201,369994703739586257235225, 27725052308247030792515625, 2089567204521186409129541025] |