The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 299 |
| 3 | 21908 |
| 4 | 2901717 |
| 5 | 602319006 |
| 6 | 180257075455 |
| 7 | 73470070612264 |
| 8 | 39124516839956393 |
| 9 | 26373727254869321522 |
| 10 | 21951183825927218885331 |
| 11 | 22108623093930072226980540 |
| 12 | 26501124576166085360405809789 |
| 13 | 37282620382364481062065321327558 |
[1,10,299,21908,2901717,602319006,180257075455, 73470070612264,39124516839956393, 26373727254869321522,21951183825927218885331, 22108623093930072226980540, 26501124576166085360405809789, 37282620382364481062065321327558] |