n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 22 |
3 | 346 |
4 | 5100 |
5 | 53504 |
6 | 411041 |
7 | 2471091 |
8 | 12244665 |
9 | 51924492 |
10 | 193733585 |
11 | 649448814 |
12 | 1988025385 |
13 | 5628317525 |
14 | 14888914321 |
15 | 37110706136 |
16 | 87756490312 |
17 | 198017040530 |
18 | 428428858514 |
19 | 892492579595 |
20 | 1796484842799 |
21 | 3504861873102 |
22 | 6645228329464 |
23 | 12273264853180 |
[1,3,22,346,5100,53504,411041,2471091,12244665, 51924492,193733585,649448814,1988025385, 5628317525,14888914321,37110706136,87756490312, 198017040530,428428858514,892492579595, 1796484842799,3504861873102,6645228329464, 12273264853180] |