n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 14 |
3 | 35 |
4 | 81 |
5 | 180 |
6 | 389 |
7 | 825 |
8 | 1726 |
9 | 3575 |
10 | 7349 |
11 | 15020 |
12 | 30561 |
13 | 61965 |
14 | 125294 |
15 | 252795 |
16 | 509161 |
17 | 1024100 |
18 | 2057549 |
19 | 4130225 |
20 | 8284926 |
21 | 16609455 |
22 | 33282989 |
23 | 66669660 |
24 | 133507081 |
25 | 267285605 |
26 | 535010414 |
27 | 1070731475 |
28 | 2142612801 |
[1,5,14,35,81,180,389,825,1726,3575,7349,15020, 30561,61965,125294,252795,509161,1024100,2057549, 4130225,8284926,16609455,33282989,66669660, 133507081,267285605,535010414,1070731475, 2142612801] |