n | a(n) |
---|---|
1 | 15 |
2 | 36 |
3 | 99 |
4 | 292 |
5 | 876 |
6 | 2628 |
7 | 7884 |
8 | 23652 |
9 | 70956 |
10 | 212868 |
11 | 638604 |
12 | 1915812 |
13 | 5747436 |
14 | 17242308 |
15 | 51726924 |
16 | 155180772 |
17 | 465542316 |
18 | 1396626948 |
19 | 4189880844 |
20 | 12569642532 |
21 | 37708927596 |
22 | 113126782788 |
23 | 339380348364 |
24 | 1018141045092 |
25 | 3054423135276 |
26 | 9163269405828 |
27 | 27489808217484 |
[15,36,99,292,876,2628,7884,23652,70956,212868, 638604,1915812,5747436,17242308,51726924, 155180772,465542316,1396626948,4189880844, 12569642532,37708927596,113126782788,339380348364, 1018141045092,3054423135276,9163269405828, 27489808217484] |