n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 11 |
4 | 36 |
5 | 90 |
6 | 190 |
7 | 357 |
8 | 616 |
9 | 996 |
10 | 1530 |
11 | 2255 |
12 | 3212 |
13 | 4446 |
14 | 6006 |
15 | 7945 |
16 | 10320 |
17 | 13192 |
18 | 16626 |
19 | 20691 |
20 | 25460 |
21 | 31010 |
22 | 37422 |
23 | 44781 |
24 | 53176 |
25 | 62700 |
26 | 73450 |
27 | 85527 |
28 | 99036 |
29 | 114086 |
30 | 130790 |
31 | 149265 |
32 | 169632 |
33 | 192016 |
34 | 216546 |
35 | 243355 |
36 | 272580 |
37 | 304362 |
38 | 338846 |
39 | 376181 |
[0,0,2,11,36,90,190,357,616,996,1530,2255,3212, 4446,6006,7945,10320,13192,16626,20691,25460, 31010,37422,44781,53176,62700,73450,85527,99036, 114086,130790,149265,169632,192016,216546,243355, 272580,304362,338846,376181] |