n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 33 |
3 | 357 |
4 | 2405 |
5 | 12405 |
6 | 53877 |
7 | 207541 |
8 | 731829 |
9 | 2411445 |
10 | 7531445 |
11 | 22523829 |
12 | 64991157 |
13 | 181977013 |
14 | 496680885 |
15 | 1326120885 |
16 | 3473604533 |
17 | 8947236789 |
18 | 22706651061 |
19 | 56869519285 |
20 | 140755599285 |
21 | 344683708341 |
22 | 835954147253 |
23 | 2009692372917 |
24 | 4792831180725 |
25 | 11346431180725 |
[0,1,33,357,2405,12405,53877,207541,731829, 2411445,7531445,22523829,64991157,181977013, 496680885,1326120885,3473604533,8947236789, 22706651061,56869519285,140755599285,344683708341, 835954147253,2009692372917,4792831180725, 11346431180725] |