| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 128 |
| 2 | 8192 |
| 3 | 349568 |
| 4 | 11190272 |
| 5 | 286680704 |
| 6 | 6123315200 |
| 7 | 112173964160 |
| 8 | 1799375912960 |
| 9 | 25678370512000 |
| 10 | 330122643283968 |
| 11 | 3862436697723264 |
| 12 | 41474426978451456 |
| 13 | 411631804378210944 |
| 14 | 3799040291725172736 |
[1,128,8192,349568,11190272,286680704,6123315200, 112173964160,1799375912960,25678370512000, 330122643283968,3862436697723264, 41474426978451456,411631804378210944, 3799040291725172736] |