The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 782 |
| 3 | 3588 |
| 4 | 5083 |
| 5 | 25806 |
| 6 | 30888 |
| 7 | 60996 |
| 8 | 106743 |
| 9 | 111826 |
| 10 | 274482 |
| 11 | 279565 |
| 12 | 752675 |
| 13 | 789360 |
| 14 | 812889 |
| 15 | 837200 |
| 16 | 837200 |
| 17 | 850850 |
| 18 | 850850 |
| 19 | 1677390 |
| 20 | 1951872 |
| 21 | 2236520 |
| 22 | 2322540 |
| 23 | 3913910 |
| 24 | 5533110 |
| 25 | 6709560 |
[1,782,3588,5083,25806,30888,60996,106743,111826, 274482,279565,752675,789360,812889,837200,837200, 850850,850850,1677390,1951872,2236520,2322540, 3913910,5533110,6709560] |