n | a(n) |
---|---|
0 | 1 |
1 | 26 |
2 | 650 |
3 | 15600 |
4 | 358800 |
5 | 7893600 |
6 | 165765600 |
7 | 3315312000 |
8 | 62990928000 |
9 | 1133836704000 |
10 | 19275223968000 |
11 | 308403583488000 |
12 | 4626053752320000 |
13 | 64764752532480000 |
14 | 841941782922240000 |
15 | 10103301395066880000 |
[1,26,650,15600,358800,7893600,165765600, 3315312000,62990928000,1133836704000, 19275223968000,308403583488000,4626053752320000, 64764752532480000,841941782922240000, 10103301395066880000] |