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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 71 |
| 2 | 21497 |
| 3 | 5493583 |
| 4 | 1441534384 |
| 5 | 376940962215 |
| 6 | 98618371821449 |
| 7 | 25799240154157639 |
| 8 | 6749345823947488233 |
| 9 | 1765694380951147363456 |
| 10 | 461922949276035424430681 |
| 11 | 120843562204869252316712655 |
| 12 | 31613858308925485200467329841 |
| 13 | 8270494656919429771594190182151 |
[1,71,21497,5493583,1441534384,376940962215, 98618371821449,25799240154157639, 6749345823947488233,1765694380951147363456, 461922949276035424430681, 120843562204869252316712655, 31613858308925485200467329841, 8270494656919429771594190182151] |