n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 15 |
4 | 25 |
5 | 47 |
6 | 113 |
7 | 261 |
8 | 601 |
9 | 1397 |
10 | 3223 |
11 | 7501 |
12 | 17523 |
13 | 40935 |
14 | 95683 |
15 | 223799 |
16 | 523857 |
17 | 1226779 |
18 | 2873985 |
19 | 6734933 |
20 | 15786173 |
21 | 37008905 |
22 | 86776771 |
23 | 203494869 |
24 | 477250155 |
25 | 1119367539 |
26 | 2625588427 |
27 | 6158890175 |
28 | 14447602189 |
29 | 33892459607 |
30 | 79509969725 |
[1,7,15,25,47,113,261,601,1397,3223,7501,17523, 40935,95683,223799,523857,1226779,2873985,6734933, 15786173,37008905,86776771,203494869,477250155, 1119367539,2625588427,6158890175,14447602189, 33892459607,79509969725] |