n | a(n) |
---|---|
1 | 42 |
2 | 156 |
3 | 482 |
4 | 1512 |
5 | 4610 |
6 | 14140 |
7 | 42420 |
8 | 129444 |
9 | 391642 |
10 | 1180480 |
11 | 3544794 |
12 | 10655576 |
13 | 31976778 |
14 | 95976140 |
15 | 287978714 |
16 | 864145200 |
17 | 2592435600 |
18 | 7778832336 |
19 | 23338786082 |
20 | 70020174204 |
21 | 210062812650 |
22 | 630202940556 |
23 | 1890615691586 |
24 | 5671878371544 |
[42,156,482,1512,4610,14140,42420,129444,391642, 1180480,3544794,10655576,31976778,95976140, 287978714,864145200,2592435600,7778832336, 23338786082,70020174204,210062812650,630202940556, 1890615691586,5671878371544] |