The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 43 |
| 2 | 863 |
| 3 | 1181 |
| 4 | 3467 |
| 5 | 10613 |
| 6 | 23081 |
| 7 | 26189 |
| 8 | 27803 |
| 9 | 42407 |
| 10 | 138731 |
| 11 | 463949 |
| 12 | 630167 |
| 13 | 702101 |
| 14 | 1038731 |
| 15 | 1417649 |
| 16 | 1452851 |
| 17 | 2005061 |
| 18 | 2060921 |
| 19 | 4925861 |
| 20 | 6565721 |
| 21 | 9709163 |
| 22 | 9739721 |
| 23 | 10047881 |
| 24 | 14268113 |
| 25 | 15515573 |
| 26 | 16575113 |
| 27 | 16615031 |
| 28 | 17300873 |
| 29 | 17382461 |
[43,863,1181,3467,10613,23081,26189,27803,42407, 138731,463949,630167,702101,1038731,1417649, 1452851,2005061,2060921,4925861,6565721,9709163, 9739721,10047881,14268113,15515573,16575113, 16615031,17300873,17382461] |