n | a(n) |
---|---|
1 | 289 |
2 | 790 |
3 | 2902 |
4 | 10268 |
5 | 35934 |
6 | 127038 |
7 | 449132 |
8 | 1582692 |
9 | 5580762 |
10 | 19696792 |
11 | 69493124 |
12 | 245136960 |
13 | 864834010 |
14 | 3051137218 |
15 | 10764053222 |
16 | 37974619476 |
17 | 133971821170 |
18 | 472641282700 |
19 | 1667438793734 |
20 | 5882591495818 |
21 | 20753304044252 |
[289,790,2902,10268,35934,127038,449132,1582692, 5580762,19696792,69493124,245136960,864834010, 3051137218,10764053222,37974619476,133971821170, 472641282700,1667438793734,5882591495818, 20753304044252] |