The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 35 |
| 3 | 39 |
| 4 | 134 |
| 5 | 517 |
| 6 | 1351 |
| 7 | 4441 |
| 8 | 18054 |
| 9 | 66405 |
| 10 | 254943 |
| 11 | 1031392 |
| 12 | 4165528 |
| 13 | 16877819 |
| 14 | 69210187 |
| 15 | 285394246 |
| 16 | 1176461147 |
| 17 | 4860878692 |
| 18 | 20137514983 |
| 19 | 83444842730 |
| 20 | 345899418523 |
| 21 | 1434994720085 |
| 22 | 5955000832941 |
| 23 | 24714463683939 |
| 24 | 102589549188473 |
[8,35,39,134,517,1351,4441,18054,66405,254943, 1031392,4165528,16877819,69210187,285394246, 1176461147,4860878692,20137514983,83444842730, 345899418523,1434994720085,5955000832941, 24714463683939,102589549188473] |