The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 600 |
| 2 | 182160 |
| 3 | 16924320 |
| 4 | 397150800 |
| 5 | 4632279120 |
| 6 | 34414027200 |
| 7 | 187479888960 |
| 8 | 814930462800 |
| 9 | 2975483302200 |
| 10 | 9486481747680 |
| 11 | 27053266687200 |
| 12 | 70486014432960 |
| 13 | 169930748683920 |
| 14 | 384163827465600 |
[1,600,182160,16924320,397150800,4632279120, 34414027200,187479888960,814930462800, 2975483302200,9486481747680,27053266687200, 70486014432960,169930748683920,384163827465600] |