n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 46 |
3 | 237 |
4 | 1056 |
5 | 4071 |
6 | 13986 |
7 | 43461 |
8 | 124146 |
9 | 329681 |
10 | 822074 |
11 | 1939691 |
12 | 4359264 |
13 | 9381561 |
14 | 19422294 |
15 | 38828715 |
16 | 75208515 |
17 | 141537930 |
18 | 259444020 |
19 | 464210670 |
20 | 812292096 |
21 | 1392398634 |
22 | 2341628076 |
23 | 3868602654 |
24 | 6286255716 |
25 | 10057721934 |
26 | 15859890444 |
27 | 24670480954 |
[1,7,46,237,1056,4071,13986,43461,124146,329681, 822074,1939691,4359264,9381561,19422294,38828715, 75208515,141537930,259444020,464210670,812292096, 1392398634,2341628076,3868602654,6286255716, 10057721934,15859890444,24670480954] |