n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 5 |
4 | 30 |
5 | 126 |
6 | 520 |
7 | 2088 |
8 | 8192 |
9 | 32083 |
10 | 125728 |
11 | 492331 |
12 | 1927334 |
13 | 7545086 |
14 | 29542032 |
15 | 115713230 |
16 | 453479812 |
17 | 1778221568 |
18 | 6976989468 |
19 | 27390464896 |
20 | 107590106636 |
21 | 422842742731 |
22 | 1662688326476 |
23 | 6541232413273 |
24 | 25746371202362 |
25 | 101384373381977 |
[0,0,5,30,126,520,2088,8192,32083,125728,492331, 1927334,7545086,29542032,115713230,453479812, 1778221568,6976989468,27390464896,107590106636, 422842742731,1662688326476,6541232413273, 25746371202362,101384373381977] |