n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 2 |
4 | 14 |
5 | 94 |
6 | 372 |
7 | 1391 |
8 | 7690 |
9 | 17729 |
10 | 49204 |
11 | 87816 |
12 | 128433 |
13 | 151275 |
14 | 290477 |
15 | 297212 |
16 | 299837 |
17 | 352249 |
18 | 897751 |
19 | 1081032 |
20 | 1646358 |
21 | 2402614 |
22 | 36591866 |
23 | 49132456 |
24 | 93538655 |
25 | 141789387 |
26 | 180474393 |
27 | 687775235 |
28 | 851204316 |
29 | 1868593596 |
30 | 7042652755 |
[2,2,2,14,94,372,1391,7690,17729,49204,87816, 128433,151275,290477,297212,299837,352249,897751, 1081032,1646358,2402614,36591866,49132456, 93538655,141789387,180474393,687775235,851204316, 1868593596,7042652755] |