n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 10 |
3 | 40 |
4 | 116 |
5 | 296 |
6 | 699 |
7 | 1557 |
8 | 3325 |
9 | 6893 |
10 | 13964 |
11 | 27789 |
12 | 54536 |
13 | 105854 |
14 | 203645 |
15 | 388970 |
16 | 738596 |
17 | 1395718 |
18 | 2626914 |
19 | 4927664 |
20 | 9217604 |
21 | 17201570 |
22 | 32036763 |
23 | 59564873 |
24 | 110586325 |
25 | 205056292 |
26 | 379823379 |
27 | 702897160 |
28 | 1299744979 |
29 | 2401747773 |
30 | 4435467036 |
31 | 8187063102 |
[0,2,10,40,116,296,699,1557,3325,6893,13964,27789, 54536,105854,203645,388970,738596,1395718,2626914, 4927664,9217604,17201570,32036763,59564873, 110586325,205056292,379823379,702897160, 1299744979,2401747773,4435467036,8187063102] |