n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 4 |
3 | 20 |
4 | 20 |
5 | 36 |
6 | 100 |
7 | 116 |
8 | 180 |
9 | 260 |
10 | 580 |
11 | 660 |
12 | 1044 |
13 | 1380 |
14 | 2020 |
15 | 3444 |
16 | 4340 |
17 | 6020 |
18 | 8260 |
19 | 11220 |
20 | 14740 |
21 | 23140 |
22 | 28196 |
23 | 38900 |
24 | 50420 |
25 | 67780 |
26 | 85956 |
27 | 114900 |
28 | 157140 |
29 | 197860 |
30 | 257060 |
31 | 331060 |
32 | 423540 |
33 | 540100 |
34 | 687620 |
35 | 864084 |
36 | 1145300 |
37 | 1406500 |
38 | 1789860 |
39 | 2231860 |
[1,4,4,20,20,36,100,116,180,260,580,660,1044,1380, 2020,3444,4340,6020,8260,11220,14740,23140,28196, 38900,50420,67780,85956,114900,157140,197860, 257060,331060,423540,540100,687620,864084,1145300, 1406500,1789860,2231860] |