n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 12 |
4 | 55 |
5 | 124 |
6 | 565 |
7 | 1268 |
8 | 5775 |
9 | 12956 |
10 | 59005 |
11 | 132372 |
12 | 602855 |
13 | 1352444 |
14 | 6159365 |
15 | 13817908 |
16 | 62930175 |
17 | 141177436 |
18 | 642957005 |
19 | 1442408532 |
20 | 6569085655 |
21 | 14737074364 |
22 | 67116286165 |
23 | 150568549748 |
24 | 685726462575 |
25 | 1538357452316 |
[0,1,5,12,55,124,565,1268,5775,12956,59005,132372, 602855,1352444,6159365,13817908,62930175, 141177436,642957005,1442408532,6569085655, 14737074364,67116286165,150568549748,685726462575, 1538357452316] |