n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 20 |
7 | 35 |
8 | 70 |
9 | 126 |
10 | 252 |
11 | 461 |
12 | 922 |
13 | 1702 |
14 | 3404 |
15 | 6315 |
16 | 12630 |
17 | 23494 |
18 | 46988 |
19 | 87533 |
20 | 175066 |
21 | 326382 |
22 | 652764 |
23 | 1217483 |
24 | 2434966 |
25 | 4542526 |
26 | 9085052 |
27 | 16950573 |
28 | 33901146 |
29 | 63255670 |
30 | 126511340 |
31 | 236063915 |
32 | 472127830 |
33 | 880983606 |
34 | 1761967212 |
35 | 3287837741 |
[1,1,2,3,6,10,20,35,70,126,252,461,922,1702,3404, 6315,12630,23494,46988,87533,175066,326382,652764, 1217483,2434966,4542526,9085052,16950573,33901146, 63255670,126511340,236063915,472127830,880983606, 1761967212,3287837741] |