The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 105 |
| 3 | 385 |
| 4 | 1365 |
| 5 | 1785 |
| 6 | 2805 |
| 7 | 3135 |
| 8 | 6545 |
| 9 | 6545 |
| 10 | 10465 |
| 11 | 10465 |
| 12 | 10465 |
| 13 | 10465 |
| 14 | 10465 |
| 15 | 11305 |
| 16 | 11305 |
| 17 | 11305 |
| 18 | 11305 |
| 19 | 11305 |
| 20 | 11305 |
| 21 | 11305 |
| 22 | 15015 |
| 23 | 11305 |
| 24 | 17255 |
| 25 | 17255 |
| 26 | 20615 |
| 27 | 20615 |
| 28 | 26565 |
| 29 | 26565 |
| 30 | 26565 |
| 31 | 26565 |
| 32 | 26565 |
| 33 | 26565 |
| 34 | 26565 |
| 35 | 26565 |
| 36 | 26565 |
[0,105,385,1365,1785,2805,3135,6545,6545,10465, 10465,10465,10465,10465,11305,11305,11305,11305, 11305,11305,11305,15015,11305,17255,17255,20615, 20615,26565,26565,26565,26565,26565,26565,26565, 26565,26565] |