n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 10 |
5 | 34 |
6 | 116 |
7 | 396 |
8 | 1353 |
9 | 4631 |
10 | 15895 |
11 | 54757 |
12 | 189465 |
13 | 658835 |
14 | 2303381 |
15 | 8098783 |
16 | 28642314 |
17 | 101894922 |
18 | 364614216 |
19 | 1312191768 |
20 | 4748561094 |
21 | 17275277322 |
22 | 63163858146 |
23 | 232041604038 |
24 | 856219298484 |
25 | 3172442815476 |
26 | 11799466553232 |
27 | 44041859928944 |
28 | 164924424558532 |
29 | 619454123593948 |
[1,1,1,3,10,34,116,396,1353,4631,15895,54757, 189465,658835,2303381,8098783,28642314,101894922, 364614216,1312191768,4748561094,17275277322, 63163858146,232041604038,856219298484, 3172442815476,11799466553232,44041859928944, 164924424558532,619454123593948] |