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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 3 |
| 5 | 8 |
| 6 | 18 |
| 7 | 41 |
| 8 | 89 |
| 9 | 191 |
| 10 | 400 |
| 11 | 833 |
| 12 | 1717 |
| 13 | 3523 |
| 14 | 7184 |
| 15 | 14604 |
| 16 | 29588 |
| 17 | 59822 |
| 18 | 120695 |
| 19 | 243166 |
| 20 | 489271 |
| 21 | 983530 |
| 22 | 1975416 |
| 23 | 3965078 |
| 24 | 7954340 |
| 25 | 15950301 |
| 26 | 31972219 |
| 27 | 64069007 |
| 28 | 128355352 |
| 29 | 257093509 |
| 30 | 514864480 |
| 31 | 1030937876 |
| 32 | 2064045150 |
| 33 | 4132012413 |
| 34 | 8271156673 |
[0,0,0,1,3,8,18,41,89,191,400,833,1717,3523,7184, 14604,29588,59822,120695,243166,489271,983530, 1975416,3965078,7954340,15950301,31972219, 64069007,128355352,257093509,514864480,1030937876, 2064045150,4132012413,8271156673] |