The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 42 |
| 2 | 1764 |
| 3 | 14406 |
| 4 | 64176 |
| 5 | 206514 |
| 6 | 541380 |
| 7 | 1231650 |
| 8 | 2524704 |
| 9 | 4777290 |
| 10 | 8483748 |
| 11 | 14307678 |
| 12 | 23117136 |
| 13 | 36023442 |
| 14 | 54423684 |
| 15 | 80047002 |
| 16 | 115004736 |
| 17 | 161844522 |
| 18 | 223608420 |
| 19 | 303895158 |
| 20 | 406926576 |
| 21 | 537618354 |
| 22 | 701655108 |
| 23 | 905569938 |
| 24 | 1156828512 |
[42,1764,14406,64176,206514,541380,1231650, 2524704,4777290,8483748,14307678,23117136, 36023442,54423684,80047002,115004736,161844522, 223608420,303895158,406926576,537618354,701655108, 905569938,1156828512] |