The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 80284 |
| 2 | 352192 |
| 3 | 1572320 |
| 4 | 6978064 |
| 5 | 30011560 |
| 6 | 121263104 |
| 7 | 446774000 |
| 8 | 1834111512 |
| 9 | 7701187928 |
| 10 | 32463331040 |
| 11 | 136011056960 |
| 12 | 563229803248 |
| 13 | 2292798259376 |
| 14 | 9485676333072 |
| 15 | 39709503113592 |
| 16 | 166580802178112 |
| 17 | 697854772322004 |
[80284,352192,1572320,6978064,30011560,121263104, 446774000,1834111512,7701187928,32463331040, 136011056960,563229803248,2292798259376, 9485676333072,39709503113592,166580802178112, 697854772322004] |