n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 4 |
4 | 13 |
5 | 37 |
6 | 75 |
7 | 147 |
8 | 246 |
9 | 406 |
10 | 610 |
11 | 910 |
12 | 1275 |
13 | 1779 |
14 | 2373 |
15 | 3157 |
16 | 4060 |
17 | 5212 |
18 | 6516 |
19 | 8136 |
20 | 9945 |
21 | 12145 |
22 | 14575 |
23 | 17479 |
24 | 20658 |
25 | 24402 |
26 | 28470 |
27 | 33202 |
28 | 38311 |
29 | 44191 |
30 | 50505 |
31 | 57705 |
32 | 65400 |
33 | 74104 |
34 | 83368 |
35 | 93772 |
36 | 104805 |
37 | 117117 |
38 | 130131 |
39 | 144571 |
40 | 159790 |
41 | 176590 |
42 | 194250 |
43 | 213654 |
[0,0,4,13,37,75,147,246,406,610,910,1275,1779, 2373,3157,4060,5212,6516,8136,9945,12145,14575, 17479,20658,24402,28470,33202,38311,44191,50505, 57705,65400,74104,83368,93772,104805,117117, 130131,144571,159790,176590,194250,213654] |