n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 6 |
6 | 10 |
7 | 16 |
8 | 37 |
9 | 85 |
10 | 175 |
11 | 365 |
12 | 865 |
13 | 2090 |
14 | 4826 |
15 | 11447 |
16 | 28797 |
17 | 73086 |
18 | 183422 |
19 | 471462 |
20 | 1249792 |
21 | 3329832 |
22 | 8898534 |
23 | 24244771 |
24 | 67210802 |
25 | 187336493 |
26 | 526399475 |
27 | 1501301887 |
28 | 4329346255 |
29 | 12565028776 |
30 | 36807317140 |
31 | 109047854266 |
32 | 325773015735 |
33 | 980062229742 |
[1,1,1,1,3,6,10,16,37,85,175,365,865,2090,4826, 11447,28797,73086,183422,471462,1249792,3329832, 8898534,24244771,67210802,187336493,526399475, 1501301887,4329346255,12565028776,36807317140, 109047854266,325773015735,980062229742] |