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| n | a(n) |
|---|---|
| 1 | 7284 |
| 2 | 32525 |
| 3 | 112570 |
| 4 | 197804 |
| 5 | 450718 |
| 6 | 1890678 |
| 7 | 4405472 |
| 8 | 8894577 |
| 9 | 30259110 |
| 10 | 85219828 |
| 11 | 189364182 |
| 12 | 533978795 |
| 13 | 1526717742 |
| 14 | 3840271170 |
| 15 | 10224583070 |
| 16 | 27687815294 |
| 17 | 72927251426 |
| 18 | 197908151664 |
| 19 | 519999108640 |
| 20 | 1358896817375 |
[7284,32525,112570,197804,450718,1890678,4405472, 8894577,30259110,85219828,189364182,533978795, 1526717742,3840271170,10224583070,27687815294, 72927251426,197908151664,519999108640, 1358896817375] |