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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 | 3 |
| 2 | 6 |
| 3 | 14 |
| 4 | 32 |
| 5 | 74 |
| 6 | 171 |
| 7 | 396 |
| 8 | 917 |
| 9 | 2124 |
| 10 | 4920 |
| 11 | 11397 |
| 12 | 26401 |
| 13 | 61158 |
| 14 | 141673 |
| 15 | 328187 |
| 16 | 760249 |
| 17 | 1761126 |
| 18 | 4079670 |
| 19 | 9450606 |
| 20 | 21892446 |
| 21 | 50714123 |
| 22 | 117479896 |
| 23 | 272143639 |
| 24 | 630424122 |
| 25 | 1460385314 |
| 26 | 3383000731 |
| 27 | 7836763241 |
| 28 | 18153959452 |
| 29 | 42053872709 |
| 30 | 97418318825 |
| 31 | 225670746387 |
| 32 | 522769088906 |
| 33 | 1211001092038 |
[1,3,6,14,32,74,171,396,917,2124,4920,11397,26401, 61158,141673,328187,760249,1761126,4079670, 9450606,21892446,50714123,117479896,272143639, 630424122,1460385314,3383000731,7836763241, 18153959452,42053872709,97418318825,225670746387, 522769088906,1211001092038] |