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| n | a(n) |
|---|---|
| 1 | 1338 |
| 2 | 20400 |
| 3 | 295392 |
| 4 | 4256868 |
| 5 | 61165512 |
| 6 | 878480541 |
| 7 | 12614174310 |
| 8 | 181122252378 |
| 9 | 2600608213794 |
| 10 | 37340291401455 |
| 11 | 536141282064960 |
| 12 | 7698053759356941 |
| 13 | 110530579472265720 |
| 14 | 1587025853728342719 |
| 15 | 22786914622304193330 |
[1338,20400,295392,4256868,61165512,878480541, 12614174310,181122252378,2600608213794, 37340291401455,536141282064960,7698053759356941, 110530579472265720,1587025853728342719, 22786914622304193330] |