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| n | a(n) |
|---|---|
| 1 | 162401 |
| 2 | 2598416 |
| 3 | 13154481 |
| 4 | 41574656 |
| 5 | 101500625 |
| 6 | 210471696 |
| 7 | 389924801 |
| 8 | 665194496 |
| 9 | 1065512961 |
| 10 | 1624010000 |
| 11 | 2377713041 |
| 12 | 3367547136 |
| 13 | 4638334961 |
| 14 | 6238796816 |
| 15 | 8221550625 |
| 16 | 10643111936 |
| 17 | 13563893921 |
| 18 | 17048207376 |
| 19 | 21164260721 |
| 20 | 25984160000 |
| 21 | 31583908881 |
| 22 | 38043408656 |
[162401,2598416,13154481,41574656,101500625, 210471696,389924801,665194496,1065512961, 1624010000,2377713041,3367547136,4638334961, 6238796816,8221550625,10643111936,13563893921, 17048207376,21164260721,25984160000,31583908881, 38043408656] |