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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 79 |
| 4 | 2621 |
| 5 | 149071 |
| 6 | 12954365 |
| 7 | 1596620719 |
| 8 | 264914218301 |
| 9 | 56934521042191 |
| 10 | 15385666763366525 |
| 11 | 5106110041462786159 |
| 12 | 2041611328770984737981 |
| 13 | 967972254733121945653711 |
| 14 | 536962084044317668770841085 |
| 15 | 344546100916295014902350596399 |
[1,5,79,2621,149071,12954365,1596620719, 264914218301,56934521042191,15385666763366525, 5106110041462786159,2041611328770984737981, 967972254733121945653711, 536962084044317668770841085, 344546100916295014902350596399] |