n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 4 |
6 | 13 |
7 | 98 |
8 | 415 |
9 | 1151 |
10 | 2471 |
11 | 4385 |
12 | 6893 |
13 | 9995 |
14 | 13691 |
15 | 17981 |
16 | 22865 |
17 | 28343 |
18 | 34415 |
19 | 41081 |
20 | 48341 |
21 | 56195 |
22 | 64643 |
23 | 73685 |
24 | 83321 |
25 | 93551 |
26 | 104375 |
27 | 115793 |
28 | 127805 |
29 | 140411 |
30 | 153611 |
31 | 167405 |
32 | 181793 |
33 | 196775 |
34 | 212351 |
35 | 228521 |
36 | 245285 |
37 | 262643 |
38 | 280595 |
[0,0,0,0,4,13,98,415,1151,2471,4385,6893,9995, 13691,17981,22865,28343,34415,41081,48341,56195, 64643,73685,83321,93551,104375,115793,127805, 140411,153611,167405,181793,196775,212351,228521, 245285,262643,280595] |