The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 108 |
| 2 | 622 |
| 3 | 128 |
| 4 | 244 |
| 5 | 736 |
| 6 | 1496 |
| 7 | 3664 |
| 8 | 10288 |
| 9 | 26048 |
| 10 | 69472 |
| 11 | 190912 |
| 12 | 513344 |
| 13 | 1395712 |
[108,622,128,244,736,1496,3664,10288,26048,69472, 190912,513344,1395712] |