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| n | a(n) |
|---|---|
| 1 | 32 |
| 2 | 152 |
| 3 | 488 |
| 4 | 1640 |
| 5 | 4904 |
| 6 | 16424 |
| 7 | 53288 |
| 8 | 189992 |
| 9 | 673832 |
| 10 | 2532392 |
| 11 | 9515048 |
| 12 | 36874280 |
| 13 | 142925864 |
| 14 | 562745384 |
| 15 | 2215886888 |
[32,152,488,1640,4904,16424,53288,189992,673832, 2532392,9515048,36874280,142925864,562745384, 2215886888] |