n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 46 |
4 | 332 |
5 | 2784 |
6 | 25888 |
7 | 259382 |
8 | 2749244 |
9 | 30449416 |
10 | 349379648 |
11 | 4127103776 |
12 | 49954287424 |
13 | 617299996928 |
14 | 7765434294912 |
15 | 99214734136966 |
16 | 1285011754097372 |
17 | 16845342401817048 |
18 | 223216584359771296 |
19 | 2986529546579794040 |
20 | 40308007404730514096 |
21 | 548337251596355725312 |
[1,2,8,46,332,2784,25888,259382,2749244,30449416, 349379648,4127103776,49954287424,617299996928, 7765434294912,99214734136966,1285011754097372, 16845342401817048,223216584359771296, 2986529546579794040,40308007404730514096, 548337251596355725312] |