n | a(n) |
---|---|
1 | 3 |
2 | 5 |
3 | 9 |
4 | 27 |
5 | 61 |
6 | 145 |
7 | 435 |
8 | 1253 |
9 | 3593 |
10 | 10779 |
11 | 32445 |
12 | 96881 |
13 | 290643 |
14 | 875365 |
15 | 2627721 |
16 | 7883163 |
17 | 23685949 |
18 | 71096657 |
19 | 213289971 |
20 | 640160485 |
21 | 1920877321 |
22 | 5762631963 |
23 | 17289819325 |
24 | 51872540977 |
25 | 155617622931 |
26 | 466863471461 |
27 | 1400610395529 |
[3,5,9,27,61,145,435,1253,3593,10779,32445,96881, 290643,875365,2627721,7883163,23685949,71096657, 213289971,640160485,1920877321,5762631963, 17289819325,51872540977,155617622931,466863471461, 1400610395529] |