The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 4111 |
| 2 | 2042 |
| 3 | 12005 |
| 4 | 6078 |
| 5 | 36015 |
| 6 | 18258 |
| 7 | 108141 |
| 8 | 54762 |
| 9 | 324087 |
| 10 | 163950 |
| 11 | 971925 |
| 12 | 491514 |
| 13 | 2915439 |
| 14 | 1474206 |
| 15 | 8746143 |
| 16 | 4422606 |
| 17 | 26238417 |
| 18 | 13267806 |
| 19 | 78715239 |
| 20 | 39803406 |
| 21 | 236145705 |
| 22 | 119410206 |
| 23 | 708437103 |
| 24 | 358230606 |
| 25 | 2125311297 |
| 26 | 1074691806 |
[4111,2042,12005,6078,36015,18258,108141,54762, 324087,163950,971925,491514,2915439,1474206, 8746143,4422606,26238417,13267806,78715239, 39803406,236145705,119410206,708437103,358230606, 2125311297,1074691806] |