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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 6 |
| 3 | 131 |
| 4 | 314 |
| 5 | 689 |
| 6 | 1294 |
| 7 | 2364 |
| 8 | 4338 |
| 9 | 7850 |
| 10 | 14150 |
| 11 | 25510 |
| 12 | 45790 |
| 13 | 81958 |
| 14 | 146454 |
| 15 | 261006 |
| 16 | 464062 |
| 17 | 823590 |
| 18 | 1458790 |
| 19 | 2579102 |
| 20 | 4552526 |
| 21 | 8023638 |
| 22 | 14120758 |
| 23 | 24818318 |
| 24 | 43566366 |
| 25 | 76387782 |
| 26 | 133790726 |
| 27 | 234092798 |
| 28 | 409199086 |
| 29 | 714645558 |
| 30 | 1247036630 |
[0,6,131,314,689,1294,2364,4338,7850,14150,25510, 45790,81958,146454,261006,464062,823590,1458790, 2579102,4552526,8023638,14120758,24818318, 43566366,76387782,133790726,234092798,409199086, 714645558,1247036630] |