n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 9 |
3 | 42 |
4 | 138 |
5 | 363 |
6 | 819 |
7 | 1652 |
8 | 3060 |
9 | 5301 |
10 | 8701 |
11 | 13662 |
12 | 20670 |
13 | 30303 |
14 | 43239 |
15 | 60264 |
16 | 82280 |
17 | 110313 |
18 | 145521 |
19 | 189202 |
20 | 242802 |
21 | 307923 |
22 | 386331 |
23 | 479964 |
24 | 590940 |
25 | 721565 |
26 | 874341 |
27 | 1051974 |
28 | 1257382 |
29 | 1493703 |
30 | 1764303 |
31 | 2072784 |
32 | 2422992 |
33 | 2819025 |
[0,1,9,42,138,363,819,1652,3060,5301,8701,13662, 20670,30303,43239,60264,82280,110313,145521, 189202,242802,307923,386331,479964,590940,721565, 874341,1051974,1257382,1493703,1764303,2072784, 2422992,2819025] |