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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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 13 |
| 5 | 32 |
| 6 | 112 |
| 7 | 317 |
| 8 | 1199 |
| 9 | 3650 |
| 10 | 14390 |
| 11 | 46288 |
| 12 | 187934 |
| 13 | 628364 |
| 14 | 2608187 |
| 15 | 8985156 |
| 16 | 37900208 |
| 17 | 133703155 |
| 18 | 571404787 |
| 19 | 2054685733 |
| 20 | 8871770591 |
| 21 | 32416109883 |
| 22 | 141169696693 |
| 23 | 522777139834 |
| 24 | 2292885433332 |
| 25 | 8589464293407 |
| 26 | 37900674076646 |
| 27 | 143404002717644 |
| 28 | 636046108002097 |
| 29 | 2427716350295630 |
[1,1,2,4,13,32,112,317,1199,3650,14390,46288, 187934,628364,2608187,8985156,37900208,133703155, 571404787,2054685733,8871770591,32416109883, 141169696693,522777139834,2292885433332, 8589464293407,37900674076646,143404002717644, 636046108002097,2427716350295630] |