n | a(n) |
---|---|
0 | 0 |
1 | 20 |
2 | 60 |
3 | 128 |
4 | 228 |
5 | 380 |
6 | 440 |
7 | 684 |
8 | 860 |
9 | 1068 |
10 | 1328 |
11 | 1548 |
12 | 1940 |
13 | 2288 |
14 | 2484 |
15 | 2924 |
16 | 3300 |
17 | 3824 |
18 | 4140 |
19 | 4700 |
20 | 5240 |
21 | 5484 |
22 | 6260 |
23 | 6864 |
24 | 7340 |
25 | 8180 |
26 | 8676 |
27 | 9392 |
28 | 9804 |
29 | 10988 |
30 | 11208 |
31 | 12572 |
32 | 13100 |
33 | 13860 |
34 | 14792 |
35 | 15588 |
36 | 16604 |
37 | 17328 |
38 | 18500 |
39 | 19292 |
[0,20,60,128,228,380,440,684,860,1068,1328,1548, 1940,2288,2484,2924,3300,3824,4140,4700,5240,5484, 6260,6864,7340,8180,8676,9392,9804,10988,11208, 12572,13100,13860,14792,15588,16604,17328,18500, 19292] |