The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 2 | 2924 |
| 3 | 5564 |
| 4 | 10856 |
| 5 | 66992 |
| 6 | 176336 |
| 7 | 180848 |
| 8 | 455344 |
| 9 | 514736 |
| 10 | 1464592 |
| 11 | 2947216 |
| 12 | 2090656 |
| 13 | 15334304 |
| 14 | 18017056 |
| 15 | 7684672 |
| 16 | 56598208 |
| 17 | 1252205632 |
| 18 | 1762592896 |
| 19 | 16929489536 |
| 20 | 750555392 |
| 21 | 903709952 |
| 22 | 4390866176 |
| 23 | 74279606528 |
| 24 | 244428598016 |
[2924,5564,10856,66992,176336,180848,455344, 514736,1464592,2947216,2090656,15334304,18017056, 7684672,56598208,1252205632,1762592896, 16929489536,750555392,903709952,4390866176, 74279606528,244428598016] |