n | a(n) |
---|---|
0 | 1 |
1 | 57 |
2 | 869 |
3 | 6637 |
4 | 33111 |
5 | 124223 |
6 | 380731 |
7 | 1004307 |
8 | 2360501 |
9 | 5064013 |
10 | 10089705 |
11 | 18912785 |
12 | 33681595 |
13 | 57426435 |
14 | 94307855 |
15 | 149907847 |
16 | 231567369 |
17 | 348773633 |
18 | 513600589 |
19 | 741206037 |
20 | 1050388799 |
21 | 1464209383 |
[1,57,869,6637,33111,124223,380731,1004307, 2360501,5064013,10089705,18912785,33681595, 57426435,94307855,149907847,231567369,348773633, 513600589,741206037,1050388799,1464209383] |