n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 29 |
4 | 103 |
5 | 405 |
6 | 1599 |
7 | 6141 |
8 | 23863 |
9 | 92773 |
10 | 359791 |
11 | 1396493 |
12 | 5421415 |
13 | 21041397 |
14 | 81670431 |
15 | 317005341 |
16 | 1230432919 |
17 | 4775854213 |
18 | 18537264079 |
19 | 71951401517 |
20 | 279275580103 |
21 | 1083993881877 |
22 | 4207466012031 |
23 | 16331061009213 |
[1,7,29,103,405,1599,6141,23863,92773,359791, 1396493,5421415,21041397,81670431,317005341, 1230432919,4775854213,18537264079,71951401517, 279275580103,1083993881877,4207466012031, 16331061009213] |