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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 61 |
| 3 | 65 |
| 4 | 163 |
| 5 | 439 |
| 6 | 1149 |
| 7 | 2985 |
| 8 | 8254 |
| 9 | 22801 |
| 10 | 62473 |
| 11 | 173206 |
| 12 | 483696 |
| 13 | 1351172 |
| 14 | 3787817 |
| 15 | 10653872 |
| 16 | 29999284 |
| 17 | 84591982 |
| 18 | 238789052 |
| 19 | 674640909 |
| 20 | 1907222785 |
| 21 | 5394518268 |
| 22 | 15264144917 |
| 23 | 43204286796 |
| 24 | 122316777218 |
| 25 | 346357487746 |
[13,61,65,163,439,1149,2985,8254,22801,62473, 173206,483696,1351172,3787817,10653872,29999284, 84591982,238789052,674640909,1907222785, 5394518268,15264144917,43204286796,122316777218, 346357487746] |