n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 8 |
3 | 22 |
4 | 61 |
5 | 165 |
6 | 430 |
7 | 1080 |
8 | 2627 |
9 | 6223 |
10 | 14428 |
11 | 32874 |
12 | 73849 |
13 | 163977 |
14 | 360602 |
15 | 786604 |
16 | 1704127 |
17 | 3670227 |
18 | 7864552 |
19 | 16777470 |
20 | 35651861 |
21 | 75497773 |
22 | 159383878 |
23 | 335544672 |
24 | 704643451 |
25 | 1476395415 |
26 | 3087008180 |
27 | 6442451410 |
[1,3,8,22,61,165,430,1080,2627,6223,14428,32874, 73849,163977,360602,786604,1704127,3670227, 7864552,16777470,35651861,75497773,159383878, 335544672,704643451,1476395415,3087008180, 6442451410] |