n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 12 |
5 | 32 |
6 | 80 |
7 | 200 |
8 | 520 |
9 | 1336 |
10 | 3472 |
11 | 9072 |
12 | 23744 |
13 | 62432 |
14 | 164544 |
15 | 434688 |
16 | 1150944 |
17 | 3052768 |
18 | 8110784 |
19 | 21581120 |
20 | 57498496 |
21 | 153378048 |
22 | 409583616 |
23 | 1094848768 |
24 | 2929288960 |
25 | 7843943680 |
26 | 21020501504 |
27 | 56371941888 |
28 | 151276652544 |
[1,1,2,6,12,32,80,200,520,1336,3472,9072,23744, 62432,164544,434688,1150944,3052768,8110784, 21581120,57498496,153378048,409583616,1094848768, 2929288960,7843943680,21020501504,56371941888, 151276652544] |