n | a(n) |
---|---|
1 | 2 |
2 | 4 |
3 | 4 |
4 | 10 |
5 | 16 |
6 | 28 |
7 | 44 |
8 | 90 |
9 | 156 |
10 | 270 |
11 | 488 |
12 | 886 |
13 | 1620 |
14 | 2986 |
15 | 5460 |
16 | 10120 |
17 | 18890 |
18 | 35284 |
19 | 66290 |
20 | 124964 |
21 | 236040 |
22 | 447460 |
23 | 850492 |
24 | 1620016 |
25 | 3092652 |
26 | 5915898 |
27 | 11336182 |
28 | 21760238 |
29 | 41836338 |
30 | 80549326 |
31 | 155296862 |
32 | 299788294 |
33 | 579396418 |
34 | 1121031734 |
35 | 2171251698 |
[2,4,4,10,16,28,44,90,156,270,488,886,1620,2986, 5460,10120,18890,35284,66290,124964,236040,447460, 850492,1620016,3092652,5915898,11336182,21760238, 41836338,80549326,155296862,299788294,579396418, 1121031734,2171251698] |