The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 180 |
| 3 | 847 |
| 4 | 2689 |
| 5 | 7102 |
| 6 | 17203 |
| 7 | 35451 |
| 8 | 67982 |
| 9 | 123055 |
| 10 | 211156 |
| 11 | 347133 |
| 12 | 549278 |
| 13 | 842128 |
| 14 | 1254702 |
| 15 | 1822955 |
[7,180,847,2689,7102,17203,35451,67982,123055, 211156,347133,549278,842128,1254702,1822955] |