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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 58 |
| 3 | 426 |
| 4 | 3124 |
| 5 | 22914 |
| 6 | 168066 |
| 7 | 1232708 |
| 8 | 9041498 |
| 9 | 66316346 |
| 10 | 486408084 |
| 11 | 3567639634 |
| 12 | 26167436306 |
| 13 | 191929340708 |
| 14 | 1407737135338 |
| 15 | 10325278224266 |
| 16 | 75732441613044 |
| 17 | 555471977422754 |
| 18 | 4074200053901346 |
| 19 | 29882886543125508 |
[1,8,58,426,3124,22914,168066,1232708,9041498, 66316346,486408084,3567639634,26167436306, 191929340708,1407737135338,10325278224266, 75732441613044,555471977422754,4074200053901346, 29882886543125508] |