n | a(n) |
---|---|
0 | 1 |
1 | 35 |
2 | 405 |
3 | 2695 |
4 | 12740 |
5 | 47628 |
6 | 149940 |
7 | 413820 |
8 | 1029105 |
9 | 2351635 |
10 | 5010005 |
11 | 10061415 |
12 | 19211920 |
13 | 35119280 |
14 | 61799760 |
15 | 105163632 |
16 | 173707785 |
17 | 279397755 |
18 | 438775645 |
19 | 674334815 |
20 | 1016206884 |
21 | 1504211500 |
22 | 2190324500 |
23 | 3141625500 |
24 | 4443791625 |
25 | 6205210011 |
26 | 8561787885 |
[1,35,405,2695,12740,47628,149940,413820,1029105, 2351635,5010005,10061415,19211920,35119280, 61799760,105163632,173707785,279397755,438775645, 674334815,1016206884,1504211500,2190324500, 3141625500,4443791625,6205210011,8561787885] |