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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 73 |
| 3 | 5 |
| 4 | 97 |
| 5 | 395 |
| 6 | 257 |
| 7 | 1586 |
| 8 | 5761 |
| 9 | 18420 |
| 10 | 89795 |
| 11 | 363173 |
| 12 | 1833923 |
| 13 | 8496393 |
| 14 | 38302295 |
| 15 | 196700384 |
| 16 | 914662922 |
| 17 | 4312830207 |
| 18 | 21655368892 |
| 19 | 101858718582 |
| 20 | 488281692050 |
| 21 | 2410686976807 |
| 22 | 11446024784253 |
| 23 | 55197091923503 |
[13,73,5,97,395,257,1586,5761,18420,89795,363173, 1833923,8496393,38302295,196700384,914662922, 4312830207,21655368892,101858718582,488281692050, 2410686976807,11446024784253,55197091923503] |