n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 32 |
4 | 134 |
5 | 590 |
6 | 2650 |
7 | 12064 |
8 | 55662 |
9 | 259600 |
10 | 1218869 |
11 | 5758394 |
12 | 27355651 |
13 | 130518455 |
14 | 624952568 |
15 | 3002191966 |
16 | 14463270457 |
17 | 69845523330 |
18 | 338018136262 |
19 | 1639028367438 |
20 | 7961255179893 |
21 | 38729392325035 |
22 | 188671413533460 |
23 | 920291819644948 |
24 | 4494126591423276 |
25 | 21969562075344127 |
26 | 107502725460944998 |
[1,2,8,32,134,590,2650,12064,55662,259600,1218869, 5758394,27355651,130518455,624952568,3002191966, 14463270457,69845523330,338018136262, 1639028367438,7961255179893,38729392325035, 188671413533460,920291819644948,4494126591423276, 21969562075344127,107502725460944998] |