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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 1063 |
| 3 | 1844 |
| 4 | 3996 |
| 5 | 8035 |
| 6 | 15802 |
| 7 | 31172 |
| 8 | 62375 |
| 9 | 126931 |
| 10 | 262036 |
| 11 | 546825 |
| 12 | 1149471 |
| 13 | 2427928 |
| 14 | 5143628 |
| 15 | 10917376 |
| 16 | 23198890 |
| 17 | 49332845 |
| 18 | 104956579 |
| 19 | 223369135 |
| 20 | 475481242 |
| 21 | 1012314623 |
| 22 | 2155517305 |
| 23 | 4590185451 |
| 24 | 9775585602 |
| 25 | 20820114408 |
[64,1063,1844,3996,8035,15802,31172,62375,126931, 262036,546825,1149471,2427928,5143628,10917376, 23198890,49332845,104956579,223369135,475481242, 1012314623,2155517305,4590185451,9775585602, 20820114408] |