n | a(n) |
---|---|
1 | 4 |
2 | 8 |
3 | 26 |
4 | 60 |
5 | 176 |
6 | 436 |
7 | 1216 |
8 | 3120 |
9 | 8488 |
10 | 22160 |
11 | 59552 |
12 | 156816 |
13 | 418880 |
14 | 1107712 |
15 | 2950048 |
16 | 7817664 |
17 | 20789248 |
18 | 55148864 |
19 | 146548736 |
20 | 388957440 |
21 | 1033216640 |
22 | 2742970624 |
23 | 7285063168 |
24 | 19342708992 |
25 | 51367846912 |
26 | 136396150784 |
27 | 362207435264 |
[4,8,26,60,176,436,1216,3120,8488,22160,59552, 156816,418880,1107712,2950048,7817664,20789248, 55148864,146548736,388957440,1033216640, 2742970624,7285063168,19342708992,51367846912, 136396150784,362207435264] |