n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 10 |
6 | 18 |
7 | 28 |
8 | 80 |
9 | 162 |
10 | 280 |
11 | 880 |
12 | 1944 |
13 | 3640 |
14 | 12320 |
15 | 29160 |
16 | 58240 |
17 | 209440 |
18 | 524880 |
19 | 1106560 |
20 | 4188800 |
21 | 11022480 |
22 | 24344320 |
23 | 96342400 |
24 | 264539520 |
25 | 608608000 |
26 | 2504902400 |
27 | 7142567040 |
28 | 17041024000 |
29 | 72642169600 |
30 | 214277011200 |
31 | 528271744000 |
32 | 2324549427200 |
[1,1,2,3,4,10,18,28,80,162,280,880,1944,3640, 12320,29160,58240,209440,524880,1106560,4188800, 11022480,24344320,96342400,264539520,608608000, 2504902400,7142567040,17041024000,72642169600, 214277011200,528271744000,2324549427200] |