n | a(n) |
---|---|
1 | 4 |
2 | 7 |
3 | 10 |
4 | 18 |
5 | 28 |
6 | 56 |
7 | 98 |
8 | 208 |
9 | 418 |
10 | 933 |
11 | 2044 |
12 | 4777 |
13 | 11072 |
14 | 26548 |
15 | 63672 |
16 | 155248 |
17 | 379348 |
18 | 935278 |
19 | 2311294 |
20 | 5741228 |
21 | 14292966 |
22 | 35699049 |
23 | 89339860 |
24 | 224097602 |
25 | 563074848 |
26 | 1417313897 |
27 | 3572747650 |
28 | 9019154944 |
29 | 22797181996 |
30 | 57693378135 |
31 | 146168107034 |
32 | 370712004868 |
[4,7,10,18,28,56,98,208,418,933,2044,4777,11072, 26548,63672,155248,379348,935278,2311294,5741228, 14292966,35699049,89339860,224097602,563074848, 1417313897,3572747650,9019154944,22797181996, 57693378135,146168107034,370712004868] |