n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 1 |
6 | 11 |
7 | 27 |
8 | 60 |
9 | 216 |
10 | 724 |
11 | 1976 |
12 | 7140 |
13 | 23723 |
14 | 78257 |
15 | 273707 |
16 | 965000 |
17 | 3354664 |
18 | 12105626 |
19 | 43619606 |
20 | 158328834 |
21 | 581558532 |
22 | 2150453882 |
23 | 7986765356 |
24 | 29926146152 |
25 | 112632743114 |
26 | 426211686362 |
27 | 1621337531160 |
28 | 6195825999752 |
29 | 23775419983051 |
30 | 91628399336871 |
31 | 354427790698043 |
32 | 1375944479482008 |
33 | 5359864838951956 |
[1,0,0,1,2,1,11,27,60,216,724,1976,7140,23723, 78257,273707,965000,3354664,12105626,43619606, 158328834,581558532,2150453882,7986765356, 29926146152,112632743114,426211686362, 1621337531160,6195825999752,23775419983051, 91628399336871,354427790698043,1375944479482008, 5359864838951956] |