n | a(n) |
---|---|
1 | 28 |
2 | 117 |
3 | 444 |
4 | 1588 |
5 | 5387 |
6 | 17645 |
7 | 56425 |
8 | 177289 |
9 | 549976 |
10 | 1690006 |
11 | 5158577 |
12 | 15668130 |
13 | 47422454 |
14 | 143161949 |
15 | 431407408 |
16 | 1298283373 |
17 | 3903506520 |
18 | 11728583997 |
19 | 35224065039 |
20 | 105750970102 |
[28,117,444,1588,5387,17645,56425,177289,549976, 1690006,5158577,15668130,47422454,143161949, 431407408,1298283373,3903506520,11728583997, 35224065039,105750970102] |