The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 11 |
| 4 | 41 |
| 5 | 131 |
| 6 | 153 |
| 7 | 571 |
| 8 | 1561 |
| 9 | 1803 |
| 10 | 2131 |
| 11 | 5761 |
| 12 | 7953 |
| 13 | 17291 |
| 14 | 18601 |
| 15 | 25091 |
| 16 | 29681 |
| 17 | 79291 |
| 18 | 110771 |
| 19 | 221651 |
| 20 | 253353 |
| 21 | 295681 |
| 22 | 349451 |
| 23 | 413403 |
| 24 | 817961 |
| 25 | 1542841 |
| 26 | 2282281 |
| 27 | 2453891 |
| 28 | 2641211 |
| 29 | 3018753 |
| 30 | 3252611 |
| 31 | 3487001 |
| 32 | 4114771 |
| 33 | 4867203 |
| 34 | 5757961 |
| 35 | 11141771 |
[1,3,11,41,131,153,571,1561,1803,2131,5761,7953, 17291,18601,25091,29681,79291,110771,221651, 253353,295681,349451,413403,817961,1542841, 2282281,2453891,2641211,3018753,3252611,3487001, 4114771,4867203,5757961,11141771] |