n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 13 |
3 | 57 |
4 | 269 |
5 | 1267 |
6 | 6129 |
7 | 29645 |
8 | 145095 |
9 | 710535 |
10 | 3500401 |
11 | 17256579 |
12 | 85355383 |
13 | 422475977 |
14 | 2095217557 |
15 | 10397145389 |
16 | 51658229869 |
17 | 256791607647 |
18 | 1277559637175 |
19 | 6358559755735 |
20 | 31665443700103 |
21 | 157745392573933 |
22 | 786153584755383 |
23 | 3919000835873637 |
24 | 19542354469124701 |
25 | 97470642214166681 |
[1,3,13,57,269,1267,6129,29645,145095,710535, 3500401,17256579,85355383,422475977,2095217557, 10397145389,51658229869,256791607647, 1277559637175,6358559755735,31665443700103, 157745392573933,786153584755383,3919000835873637, 19542354469124701,97470642214166681] |