n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 4 |
4 | 11 |
5 | 26 |
6 | 62 |
7 | 134 |
8 | 303 |
9 | 634 |
10 | 1394 |
11 | 2872 |
12 | 6206 |
13 | 12676 |
14 | 27068 |
15 | 54994 |
16 | 116423 |
17 | 235706 |
18 | 495722 |
19 | 1001168 |
20 | 2094714 |
21 | 4223020 |
22 | 8798756 |
23 | 17715084 |
24 | 36782246 |
25 | 73980516 |
26 | 153161332 |
27 | 307808464 |
28 | 635675228 |
29 | 1276699336 |
30 | 2630957432 |
31 | 5281304554 |
32 | 10863149303 |
33 | 21797013946 |
[0,0,1,4,11,26,62,134,303,634,1394,2872,6206, 12676,27068,54994,116423,235706,495722,1001168, 2094714,4223020,8798756,17715084,36782246, 73980516,153161332,307808464,635675228,1276699336, 2630957432,5281304554,10863149303,21797013946] |