The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1320 |
| 2 | 1645 |
| 3 | 3470 |
| 4 | 6232 |
| 5 | 8646 |
| 6 | 19718 |
| 7 | 37882 |
| 8 | 58489 |
| 9 | 116930 |
| 10 | 248515 |
| 11 | 412314 |
| 12 | 751247 |
| 13 | 1604892 |
| 14 | 2935059 |
| 15 | 5115588 |
| 16 | 10451412 |
| 17 | 20331520 |
| 18 | 35935935 |
| 19 | 69439734 |
| 20 | 138338285 |
| 21 | 252687084 |
| 22 | 471920997 |
| 23 | 934503484 |
| 24 | 1761244126 |
| 25 | 3253322750 |
| 26 | 6325629935 |
[1320,1645,3470,6232,8646,19718,37882,58489, 116930,248515,412314,751247,1604892,2935059, 5115588,10451412,20331520,35935935,69439734, 138338285,252687084,471920997,934503484, 1761244126,3253322750,6325629935] |