n | a(n) |
---|---|
0 | 1 |
1 | 18 |
2 | 162 |
3 | 978 |
4 | 4482 |
5 | 16722 |
6 | 53154 |
7 | 148626 |
8 | 374274 |
9 | 864146 |
10 | 1854882 |
11 | 3742290 |
12 | 7159170 |
13 | 13079250 |
14 | 22952610 |
15 | 38878482 |
16 | 63821826 |
17 | 101880594 |
18 | 158611106 |
19 | 241419474 |
20 | 360027522 |
21 | 527022162 |
22 | 758497698 |
23 | 1074801042 |
24 | 1501390338 |
[1,18,162,978,4482,16722,53154,148626,374274, 864146,1854882,3742290,7159170,13079250,22952610, 38878482,63821826,101880594,158611106,241419474, 360027522,527022162,758497698,1074801042, 1501390338] |