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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 27 |
| 3 | 130 |
| 4 | 582 |
| 5 | 2109 |
| 6 | 6637 |
| 7 | 19166 |
| 8 | 51491 |
| 9 | 130209 |
| 10 | 312797 |
| 11 | 719186 |
| 12 | 1591856 |
| 13 | 3407212 |
| 14 | 7077248 |
| 15 | 14307047 |
| 16 | 28216156 |
| 17 | 54398922 |
| 18 | 102703127 |
| 19 | 190166090 |
| 20 | 345789073 |
| 21 | 618191311 |
| 22 | 1087715590 |
| 23 | 1885328230 |
| 24 | 3221762398 |
| 25 | 5431921305 |
[10,27,130,582,2109,6637,19166,51491,130209, 312797,719186,1591856,3407212,7077248,14307047, 28216156,54398922,102703127,190166090,345789073, 618191311,1087715590,1885328230,3221762398, 5431921305] |