n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 17 |
5 | 37 |
6 | 107 |
7 | 321 |
8 | 865 |
9 | 2449 |
10 | 7299 |
11 | 21897 |
12 | 64625 |
13 | 192277 |
14 | 576299 |
15 | 1728897 |
16 | 5174977 |
17 | 15507361 |
18 | 46516227 |
19 | 139548681 |
20 | 418517201 |
21 | 1255358341 |
22 | 3766010603 |
23 | 11298031809 |
24 | 33892678177 |
25 | 101675908657 |
26 | 305027017347 |
27 | 915081052041 |
[1,3,9,17,37,107,321,865,2449,7299,21897,64625, 192277,576299,1728897,5174977,15507361,46516227, 139548681,418517201,1255358341,3766010603, 11298031809,33892678177,101675908657,305027017347, 915081052041] |