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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 472 |
| 3 | 14508 |
| 4 | 616945 |
| 5 | 23310528 |
| 6 | 919890493 |
| 7 | 35726458296 |
| 8 | 1395733639864 |
| 9 | 54409227545670 |
| 10 | 2122708670082349 |
| 11 | 82790398883086464 |
| 12 | 3229363021350300853 |
| 13 | 125961061338940140882 |
| 14 | 4913174522492216122360 |
| 15 | 191639794681507592618832 |
| 16 | 7474980745741030831444357 |
| 17 | 291564159140628690376670784 |
| 18 | 11372562031468273218156678121 |
| 19 | 443590715863319911428764167260 |
| 20 | 17302409958226333533759796319896 |
[6,472,14508,616945,23310528,919890493, 35726458296,1395733639864,54409227545670, 2122708670082349,82790398883086464, 3229363021350300853,125961061338940140882, 4913174522492216122360,191639794681507592618832, 7474980745741030831444357, 291564159140628690376670784, 11372562031468273218156678121, 443590715863319911428764167260, 17302409958226333533759796319896] |