n | a(n) |
---|---|
1 | 1 |
2 | 513 |
3 | 19684 |
4 | 262657 |
5 | 1953126 |
6 | 10097892 |
7 | 40353608 |
8 | 134480385 |
9 | 387440173 |
10 | 1001953638 |
11 | 2357947692 |
12 | 5170140388 |
13 | 10604499374 |
14 | 20701400904 |
15 | 38445332184 |
16 | 68853957121 |
17 | 118587876498 |
18 | 198756808749 |
19 | 322687697780 |
20 | 513002215782 |
21 | 794320419872 |
22 | 1209627165996 |
23 | 1801152661464 |
[1,513,19684,262657,1953126,10097892,40353608, 134480385,387440173,1001953638,2357947692, 5170140388,10604499374,20701400904,38445332184, 68853957121,118587876498,198756808749, 322687697780,513002215782,794320419872, 1209627165996,1801152661464] |