n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 41 |
3 | 223 |
4 | 1169 |
5 | 6007 |
6 | 30521 |
7 | 154063 |
8 | 774689 |
9 | 3886567 |
10 | 19472201 |
11 | 97479103 |
12 | 487749809 |
13 | 2439811927 |
14 | 12202248281 |
15 | 61020807343 |
16 | 305132734529 |
17 | 1525749766087 |
18 | 7629007110761 |
19 | 38145810394783 |
20 | 190731376496849 |
[1,7,41,223,1169,6007,30521,154063,774689,3886567, 19472201,97479103,487749809,2439811927, 12202248281,61020807343,305132734529, 1525749766087,7629007110761,38145810394783, 190731376496849] |