The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 1030 |
| 3 | 95144 |
| 4 | 8949808 |
| 5 | 842185933 |
| 6 | 79254376889 |
| 7 | 7458275852500 |
| 8 | 701865426977495 |
| 9 | 66049458199029896 |
| 10 | 6215623102818695436 |
| 11 | 584924867215713568482 |
| 12 | 55044698604373555829472 |
| 13 | 5180013732180082600538625 |
[15,1030,95144,8949808,842185933,79254376889, 7458275852500,701865426977495,66049458199029896, 6215623102818695436,584924867215713568482, 55044698604373555829472,5180013732180082600538625] |