n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 8 |
3 | 18 |
4 | 40 |
5 | 70 |
6 | 132 |
7 | 210 |
8 | 352 |
9 | 540 |
10 | 840 |
11 | 1232 |
12 | 1848 |
13 | 2626 |
14 | 3780 |
15 | 5280 |
16 | 7392 |
17 | 10098 |
18 | 13860 |
19 | 18620 |
20 | 25080 |
21 | 33264 |
22 | 44088 |
23 | 57730 |
24 | 75600 |
25 | 97900 |
26 | 126672 |
27 | 162540 |
28 | 208208 |
29 | 264770 |
30 | 336240 |
31 | 424204 |
32 | 534336 |
33 | 669438 |
34 | 837080 |
35 | 1041810 |
36 | 1294344 |
37 | 1601138 |
38 | 1977140 |
39 | 2432430 |
40 | 2987040 |
41 | 3655806 |
[0,2,8,18,40,70,132,210,352,540,840,1232,1848, 2626,3780,5280,7392,10098,13860,18620,25080,33264, 44088,57730,75600,97900,126672,162540,208208, 264770,336240,424204,534336,669438,837080,1041810, 1294344,1601138,1977140,2432430,2987040,3655806] |