n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 42 |
3 | 182 |
4 | 693 |
5 | 2184 |
6 | 6216 |
7 | 15912 |
8 | 37854 |
9 | 83980 |
10 | 176484 |
11 | 352716 |
12 | 676270 |
13 | 1248072 |
14 | 2229096 |
15 | 3863080 |
16 | 6519591 |
17 | 10737090 |
18 | 17299646 |
19 | 27313650 |
20 | 42337659 |
21 | 64512240 |
22 | 96770544 |
23 | 143048880 |
24 | 208616044 |
[1,6,42,182,693,2184,6216,15912,37854,83980, 176484,352716,676270,1248072,2229096,3863080, 6519591,10737090,17299646,27313650,42337659, 64512240,96770544,143048880,208616044] |