n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 7 |
3 | 6 |
4 | 49 |
5 | 84 |
6 | 379 |
7 | 882 |
8 | 3157 |
9 | 8448 |
10 | 27391 |
11 | 78078 |
12 | 242425 |
13 | 710892 |
14 | 2165443 |
15 | 6430794 |
16 | 19423453 |
17 | 58008216 |
18 | 174548935 |
19 | 522598230 |
20 | 1569891841 |
21 | 4705481220 |
22 | 14124832267 |
23 | 42357719586 |
24 | 127106713189 |
25 | 381253030704 |
26 | 1143893309839 |
27 | 3431411494062 |
28 | 10294771353097 |
[1,0,7,6,49,84,379,882,3157,8448,27391,78078, 242425,710892,2165443,6430794,19423453,58008216, 174548935,522598230,1569891841,4705481220, 14124832267,42357719586,127106713189,381253030704, 1143893309839,3431411494062,10294771353097] |