n | a(n) |
---|---|
5 | 2 |
6 | 23 |
7 | 135 |
8 | 561 |
9 | 1870 |
10 | 5328 |
11 | 13476 |
12 | 31020 |
13 | 66132 |
14 | 132275 |
15 | 250679 |
16 | 453609 |
17 | 788580 |
18 | 1323688 |
19 | 2154240 |
20 | 3410880 |
21 | 5269422 |
22 | 7962615 |
23 | 11794079 |
24 | 17154665 |
25 | 24541506 |
26 | 34580040 |
27 | 48049300 |
28 | 65910780 |
29 | 89341200 |
30 | 119769507 |
31 | 158918463 |
32 | 208851185 |
33 | 272023016 |
34 | 351339120 |
[2,23,135,561,1870,5328,13476,31020,66132,132275, 250679,453609,788580,1323688,2154240,3410880, 5269422,7962615,11794079,17154665,24541506, 34580040,48049300,65910780,89341200,119769507, 158918463,208851185,272023016,351339120] |