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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 4 | 4 |
| 5 | 35 |
| 6 | 166 |
| 7 | 633 |
| 8 | 2276 |
| 9 | 8107 |
| 10 | 29086 |
| 11 | 105460 |
| 12 | 386320 |
| 13 | 1428664 |
| 14 | 5327738 |
| 15 | 20014741 |
| 16 | 75677726 |
| 17 | 287784832 |
| 18 | 1099944240 |
| 19 | 4223170456 |
| 20 | 16280541834 |
| 21 | 62992268833 |
| 22 | 244536402984 |
| 23 | 952154191644 |
| 24 | 3717618386556 |
| 25 | 14551788319328 |
[4,35,166,633,2276,8107,29086,105460,386320, 1428664,5327738,20014741,75677726,287784832, 1099944240,4223170456,16280541834,62992268833, 244536402984,952154191644,3717618386556, 14551788319328] |