n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 19 |
4 | 58 |
5 | 146 |
6 | 380 |
7 | 883 |
8 | 2138 |
9 | 4774 |
10 | 11092 |
11 | 24190 |
12 | 54724 |
13 | 117508 |
14 | 260920 |
15 | 554179 |
16 | 1213690 |
17 | 2557022 |
18 | 5541092 |
19 | 11601610 |
20 | 24930860 |
21 | 51942076 |
22 | 110861896 |
23 | 230053614 |
24 | 488253348 |
25 | 1009853116 |
26 | 2133122760 |
27 | 4399720348 |
28 | 9256078408 |
[1,6,19,58,146,380,883,2138,4774,11092,24190, 54724,117508,260920,554179,1213690,2557022, 5541092,11601610,24930860,51942076,110861896, 230053614,488253348,1009853116,2133122760, 4399720348,9256078408] |