n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 4 |
4 | 6 |
5 | 10 |
6 | 20 |
7 | 36 |
8 | 72 |
9 | 142 |
10 | 280 |
11 | 560 |
12 | 1114 |
13 | 2222 |
14 | 4436 |
15 | 8864 |
16 | 17718 |
17 | 35420 |
18 | 70824 |
19 | 141624 |
20 | 283210 |
21 | 566394 |
22 | 1132728 |
23 | 2265390 |
24 | 4530726 |
25 | 9061318 |
26 | 18122518 |
27 | 36244908 |
28 | 72489566 |
29 | 144978870 |
30 | 289957490 |
31 | 579914470 |
32 | 1159828430 |
33 | 2319656332 |
34 | 4639311620 |
35 | 9278622168 |
[2,2,4,6,10,20,36,72,142,280,560,1114,2222,4436, 8864,17718,35420,70824,141624,283210,566394, 1132728,2265390,4530726,9061318,18122518,36244908, 72489566,144978870,289957490,579914470,1159828430, 2319656332,4639311620,9278622168] |