n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 4 |
5 | 12 |
6 | 31 |
7 | 67 |
8 | 132 |
9 | 239 |
10 | 407 |
11 | 657 |
12 | 1019 |
13 | 1523 |
14 | 2211 |
15 | 3126 |
16 | 4323 |
17 | 5859 |
18 | 7806 |
19 | 10236 |
20 | 13239 |
21 | 16906 |
22 | 21346 |
23 | 26670 |
24 | 33010 |
25 | 40498 |
26 | 49290 |
27 | 59543 |
28 | 71438 |
29 | 85158 |
30 | 100913 |
31 | 118913 |
32 | 139398 |
33 | 162609 |
34 | 188817 |
35 | 218295 |
36 | 251349 |
37 | 288285 |
[0,0,1,4,12,31,67,132,239,407,657,1019,1523,2211, 3126,4323,5859,7806,10236,13239,16906,21346,26670, 33010,40498,49290,59543,71438,85158,100913,118913, 139398,162609,188817,218295,251349,288285] |