n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 19 |
3 | 91 |
4 | 445 |
5 | 2188 |
6 | 10819 |
7 | 53644 |
8 | 266581 |
9 | 1326646 |
10 | 6609307 |
11 | 32953033 |
12 | 164397313 |
13 | 820521562 |
14 | 4096733707 |
15 | 20459928259 |
16 | 102203137741 |
17 | 510621146326 |
18 | 2551485015379 |
19 | 12750737780587 |
20 | 63725988599425 |
21 | 318514790389294 |
22 | 1592093707211299 |
23 | 7958459733327676 |
24 | 39783873348471745 |
25 | 198883941062337328 |
[1,4,19,91,445,2188,10819,53644,266581,1326646, 6609307,32953033,164397313,820521562,4096733707, 20459928259,102203137741,510621146326, 2551485015379,12750737780587,63725988599425, 318514790389294,1592093707211299,7958459733327676, 39783873348471745,198883941062337328] |