n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 15 |
5 | 31 |
6 | 65 |
7 | 153 |
8 | 343 |
9 | 775 |
10 | 1729 |
11 | 3735 |
12 | 8175 |
13 | 17371 |
14 | 36447 |
15 | 76077 |
16 | 157471 |
17 | 324801 |
18 | 669469 |
19 | 1370903 |
20 | 2807215 |
21 | 5728545 |
22 | 11679949 |
23 | 23777059 |
24 | 48348375 |
25 | 98093505 |
[1,2,3,15,31,65,153,343,775,1729,3735,8175,17371, 36447,76077,157471,324801,669469,1370903,2807215, 5728545,11679949,23777059,48348375,98093505] |