The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 15 |
| 3 | 62 |
| 4 | 1061 |
| 5 | 16049 |
| 6 | 163863 |
| 7 | 288099 |
| 8 | 1416729 |
| 9 | 2083059 |
| 10 | 13348207 |
| 11 | 30204871 |
| 12 | 35154349 |
| 13 | 59852792 |
| 14 | 63224809 |
| 15 | 283280355 |
| 16 | 464690354 |
| 17 | 484273317 |
| 18 | 546188411 |
| 19 | 950441582 |
| 20 | 1282519339 |
| 21 | 1395158907 |
| 22 | 1406767949 |
| 23 | 1438132761 |
| 24 | 2530805413 |
| 25 | 3442427162 |
| 26 | 4774940354 |
| 27 | 9019693953 |
[1,15,62,1061,16049,163863,288099,1416729,2083059, 13348207,30204871,35154349,59852792,63224809, 283280355,464690354,484273317,546188411,950441582, 1282519339,1395158907,1406767949,1438132761, 2530805413,3442427162,4774940354,9019693953] |