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n | a(n) |
---|---|
1 | 1 |
2 | 571 |
3 | 12938 |
4 | 115270 |
5 | 630755 |
6 | 2543401 |
7 | 8307796 |
8 | 23249388 |
9 | 57792165 |
10 | 130790935 |
11 | 274285726 |
12 | 540036146 |
13 | 1008233863 |
14 | 1798831685 |
15 | 3085968040 |
16 | 5116005976 |
17 | 8229746121 |
18 | 12889413363 |
19 | 19711057330 |
20 | 29503047070 |
21 | 43311380651 |
22 | 62472570721 |
23 | 88674907388 |
24 | 124028940100 |
[1,571,12938,115270,630755,2543401,8307796, 23249388,57792165,130790935,274285726,540036146, 1008233863,1798831685,3085968040,5116005976, 8229746121,12889413363,19711057330,29503047070, 43311380651,62472570721,88674907388,124028940100] |