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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 304 |
| 3 | 9958 |
| 4 | 288280 |
| 5 | 7973053 |
| 6 | 217032088 |
| 7 | 5875893676 |
| 8 | 158794026640 |
| 9 | 4288744989139 |
| 10 | 115807878426592 |
| 11 | 3126918614998354 |
| 12 | 84427755760664680 |
| 13 | 2279557984193621065 |
| 14 | 61548142781949118216 |
| 15 | 1661800549993751359192 |
| 16 | 44868621103769828836000 |
| 17 | 1211452826087259054393631 |
[7,304,9958,288280,7973053,217032088,5875893676, 158794026640,4288744989139,115807878426592, 3126918614998354,84427755760664680, 2279557984193621065,61548142781949118216, 1661800549993751359192,44868621103769828836000, 1211452826087259054393631] |