n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 5 |
4 | 30 |
5 | 186 |
6 | 1164 |
7 | 7344 |
8 | 46732 |
9 | 299604 |
10 | 1932900 |
11 | 12537542 |
12 | 81705782 |
13 | 534663812 |
14 | 3511466838 |
15 | 23136724382 |
16 | 152888000934 |
17 | 1012925595468 |
18 | 6726766841438 |
19 | 44767880394634 |
20 | 298522284224824 |
21 | 1994187071224056 |
22 | 13343458013982572 |
23 | 89420609914983270 |
24 | 600088861692380354 |
25 | 4032377457462571694 |
26 | 27129080022839863318 |
27 | 182726605700552001998 |
[0,1,5,30,186,1164,7344,46732,299604,1932900, 12537542,81705782,534663812,3511466838, 23136724382,152888000934,1012925595468, 6726766841438,44767880394634,298522284224824, 1994187071224056,13343458013982572, 89420609914983270,600088861692380354, 4032377457462571694,27129080022839863318, 182726605700552001998] |