The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 1764 |
| 3 | 1764 |
| 4 | 12328 |
| 5 | 20522 |
| 6 | 12328 |
| 7 | 86736 |
| 8 | 240288 |
| 9 | 240288 |
| 10 | 86736 |
| 11 | 610052 |
| 12 | 2839146 |
| 13 | 4723728 |
| 14 | 2839146 |
| 15 | 610052 |
| 16 | 4293744 |
| 17 | 33540636 |
| 18 | 93725888 |
| 19 | 93725888 |
| 20 | 33540636 |
| 21 | 4293744 |
| 22 | 30217760 |
| 23 | 396698708 |
| 24 | 1860456346 |
| 25 | 3131569162 |
| 26 | 1860456346 |
[256,1764,1764,12328,20522,12328,86736,240288, 240288,86736,610052,2839146,4723728,2839146, 610052,4293744,33540636,93725888,93725888, 33540636,4293744,30217760,396698708,1860456346, 3131569162,1860456346] |