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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 35 |
| 3 | 4245 |
| 4 | 1239823 |
| 5 | 709097481 |
| 6 | 701954099115 |
| 7 | 1104353764428365 |
| 8 | 2594884910993019575 |
| 9 | 8684483842898500680225 |
| 10 | 39880061006390454401626995 |
| 11 | 243797643642188511890409843525 |
| 12 | 1935230187172759446730224649089055 |
| 13 | 19533122859042054951154895127392582265 |
[1,1,35,4245,1239823,709097481,701954099115, 1104353764428365,2594884910993019575, 8684483842898500680225,39880061006390454401626995, 243797643642188511890409843525, 1935230187172759446730224649089055, 19533122859042054951154895127392582265] |