n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 7 |
9 | 35 |
10 | 119 |
11 | 329 |
12 | 791 |
13 | 1715 |
14 | 3431 |
15 | 45031 |
16 | 400281 |
17 | 2313633 |
18 | 10467037 |
19 | 39845281 |
20 | 132908041 |
21 | 398840401 |
22 | 7677528495 |
23 | 98103087719 |
24 | 800524248391 |
25 | 5030038213949 |
26 | 26202586666879 |
27 | 117991927960739 |
28 | 472105349529479 |
29 | 11979440405949527 |
[1,1,1,1,1,1,1,1,7,35,119,329,791,1715,3431,45031, 400281,2313633,10467037,39845281,132908041, 398840401,7677528495,98103087719,800524248391, 5030038213949,26202586666879,117991927960739, 472105349529479,11979440405949527] |