n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 20 |
4 | 42 |
5 | 154 |
6 | 156 |
7 | 306 |
8 | 836 |
9 | 552 |
10 | 1044 |
11 | 1488 |
12 | 2960 |
13 | 2460 |
14 | 3870 |
15 | 7050 |
16 | 12084 |
17 | 8496 |
18 | 10248 |
19 | 14070 |
20 | 12780 |
21 | 18396 |
22 | 31284 |
23 | 50796 |
24 | 38448 |
25 | 55872 |
26 | 82416 |
27 | 37080 |
28 | 51360 |
29 | 65400 |
30 | 88140 |
31 | 146304 |
32 | 169776 |
33 | 123300 |
34 | 133440 |
35 | 150192 |
36 | 181200 |
37 | 131880 |
38 | 176040 |
39 | 260520 |
40 | 326970 |
[2,6,20,42,154,156,306,836,552,1044,1488,2960, 2460,3870,7050,12084,8496,10248,14070,12780,18396, 31284,50796,38448,55872,82416,37080,51360,65400, 88140,146304,169776,123300,133440,150192,181200, 131880,176040,260520,326970] |