n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 12 |
6 | 26 |
7 | 62 |
8 | 148 |
9 | 396 |
10 | 1044 |
11 | 3024 |
12 | 8784 |
13 | 26928 |
14 | 85824 |
15 | 274320 |
16 | 954720 |
17 | 3149280 |
18 | 11910240 |
19 | 40253760 |
20 | 164643840 |
21 | 567181440 |
22 | 2497703040 |
23 | 8736698880 |
24 | 41250263040 |
25 | 146090649600 |
26 | 736680268800 |
27 | 2635858713600 |
28 | 14145091430400 |
29 | 51047113420800 |
30 | 290574650419200 |
[1,2,3,6,12,26,62,148,396,1044,3024,8784,26928, 85824,274320,954720,3149280,11910240,40253760, 164643840,567181440,2497703040,8736698880, 41250263040,146090649600,736680268800, 2635858713600,14145091430400,51047113420800, 290574650419200] |