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| n | a(n) |
|---|---|
| 1 | 152 |
| 2 | 276 |
| 3 | 834 |
| 4 | 2338 |
| 5 | 6298 |
| 6 | 17340 |
| 7 | 48034 |
| 8 | 132168 |
| 9 | 363764 |
| 10 | 1002682 |
| 11 | 2762622 |
| 12 | 7609830 |
| 13 | 20965108 |
| 14 | 57759930 |
| 15 | 159125020 |
| 16 | 438382240 |
| 17 | 1207732858 |
| 18 | 3327264630 |
| 19 | 9166496318 |
| 20 | 25253399040 |
| 21 | 69572290978 |
| 22 | 191669348524 |
| 23 | 528042715724 |
| 24 | 1454740272942 |
[152,276,834,2338,6298,17340,48034,132168,363764, 1002682,2762622,7609830,20965108,57759930, 159125020,438382240,1207732858,3327264630, 9166496318,25253399040,69572290978,191669348524, 528042715724,1454740272942] |