n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 7 |
4 | 13 |
5 | 7 |
6 | 73 |
7 | 461 |
8 | 1721 |
9 | 7391 |
10 | 35741 |
11 | 95833 |
12 | 140902 |
13 | 7208291 |
14 | 6221977 |
15 | 738064507 |
16 | 5846167507 |
17 | 49265043007 |
18 | 440034922507 |
19 | 4152348777757 |
20 | 41275487330257 |
21 | 431068442131507 |
22 | 4718790944945257 |
23 | 27013799863651691 |
24 | 322866652557800441 |
25 | 502628413904332477 |
[0,1,1,7,13,7,73,461,1721,7391,35741,95833,140902, 7208291,6221977,738064507,5846167507,49265043007, 440034922507,4152348777757,41275487330257, 431068442131507,4718790944945257, 27013799863651691,322866652557800441, 502628413904332477] |