n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 14 |
4 | 59 |
5 | 243 |
6 | 1065 |
7 | 4708 |
8 | 21395 |
9 | 98025 |
10 | 454964 |
11 | 2126156 |
12 | 10012574 |
13 | 47398340 |
14 | 225511507 |
15 | 1077175891 |
16 | 5163669175 |
17 | 24827400812 |
18 | 119693621775 |
19 | 578392088330 |
20 | 2800781899561 |
21 | 13587499059804 |
22 | 66027224835105 |
23 | 321333792674211 |
24 | 1565954585986436 |
25 | 7640771328892362 |
26 | 37323634647044161 |
27 | 182506355382125949 |
[1,1,4,14,59,243,1065,4708,21395,98025,454964, 2126156,10012574,47398340,225511507,1077175891, 5163669175,24827400812,119693621775,578392088330, 2800781899561,13587499059804,66027224835105, 321333792674211,1565954585986436,7640771328892362, 37323634647044161,182506355382125949] |