n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 8 |
4 | 20 |
5 | 42 |
6 | 80 |
7 | 140 |
8 | 238 |
9 | 380 |
10 | 602 |
11 | 910 |
12 | 1372 |
13 | 1996 |
14 | 2900 |
15 | 4102 |
16 | 5790 |
17 | 8002 |
18 | 11046 |
19 | 14980 |
20 | 20282 |
21 | 27090 |
22 | 36092 |
23 | 47546 |
24 | 62510 |
25 | 81374 |
26 | 105700 |
27 | 136210 |
28 | 175084 |
29 | 223510 |
30 | 284694 |
31 | 360410 |
32 | 455244 |
33 | 572054 |
34 | 717160 |
35 | 894964 |
36 | 1114470 |
37 | 1382032 |
38 | 1710262 |
39 | 2108750 |
40 | 2594704 |
41 | 3182120 |
[0,2,8,20,42,80,140,238,380,602,910,1372,1996, 2900,4102,5790,8002,11046,14980,20282,27090,36092, 47546,62510,81374,105700,136210,175084,223510, 284694,360410,455244,572054,717160,894964,1114470, 1382032,1710262,2108750,2594704,3182120] |