n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 4 |
5 | 10 |
6 | 20 |
7 | 35 |
8 | 56 |
9 | 85 |
10 | 131 |
11 | 231 |
12 | 506 |
13 | 1287 |
14 | 3367 |
15 | 8464 |
16 | 20026 |
17 | 44609 |
18 | 94334 |
19 | 191710 |
20 | 380190 |
21 | 748924 |
22 | 1491735 |
23 | 3044927 |
24 | 6398259 |
25 | 13770795 |
26 | 30031820 |
27 | 65615746 |
28 | 142422743 |
29 | 305750022 |
30 | 648652029 |
31 | 1362500345 |
32 | 2843775112 |
33 | 5922703731 |
34 | 12356169575 |
[0,0,1,4,10,20,35,56,85,131,231,506,1287,3367, 8464,20026,44609,94334,191710,380190,748924, 1491735,3044927,6398259,13770795,30031820, 65615746,142422743,305750022,648652029,1362500345, 2843775112,5922703731,12356169575] |