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A216492 as a simple table
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 18 |
| 4 | 139 |
| 5 | 1286 |
| 6 | 12715 |
| 7 | 130875 |
[1,1,3,18,139,1286,12715,130875] |
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 18 |
| 4 | 139 |
| 5 | 1286 |
| 6 | 12715 |
| 7 | 130875 |
[1,1,3,18,139,1286,12715,130875] |