The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1808 |
| 2 | 702 |
| 3 | 2068 |
| 4 | 1625 |
| 5 | 3186 |
| 6 | 9869 |
| 7 | 7897 |
| 8 | 15217 |
| 9 | 46089 |
| 10 | 37348 |
| 11 | 72215 |
| 12 | 218508 |
| 13 | 178796 |
| 14 | 345094 |
| 15 | 1039674 |
| 16 | 856961 |
| 17 | 1649014 |
| 18 | 4945115 |
| 19 | 4109887 |
| 20 | 7885291 |
| 21 | 23532053 |
| 22 | 19729444 |
| 23 | 37732787 |
| 24 | 112017542 |
| 25 | 94798276 |
| 26 | 180689238 |
| 27 | 533409526 |
| 28 | 455943657 |
| 29 | 865926266 |
[1808,702,2068,1625,3186,9869,7897,15217,46089, 37348,72215,218508,178796,345094,1039674,856961, 1649014,4945115,4109887,7885291,23532053,19729444, 37732787,112017542,94798276,180689238,533409526, 455943657,865926266] |