n | a(n) |
---|---|
0 | 2 |
1 | 6 |
2 | 32 |
3 | 203 |
4 | 1144 |
5 | 5345 |
6 | 20926 |
7 | 70506 |
8 | 209746 |
9 | 562727 |
10 | 1384758 |
11 | 3167606 |
12 | 6807620 |
13 | 13863904 |
14 | 26941700 |
15 | 50245591 |
16 | 90358146 |
17 | 157312324 |
18 | 266040452 |
19 | 438299013 |
20 | 705186944 |
21 | 1110395771 |
22 | 1714352818 |
23 | 2599444040 |
24 | 3876530866 |
[2,6,32,203,1144,5345,20926,70506,209746,562727, 1384758,3167606,6807620,13863904,26941700, 50245591,90358146,157312324,266040452,438299013, 705186944,1110395771,1714352818,2599444040, 3876530866] |