n | a(n) |
---|---|
1 | 109 |
2 | 252 |
3 | 889 |
4 | 2492 |
5 | 6944 |
6 | 18356 |
7 | 56137 |
8 | 155304 |
9 | 457083 |
10 | 1237656 |
11 | 3708013 |
12 | 10156868 |
13 | 30171658 |
14 | 82173696 |
15 | 245127382 |
16 | 669551372 |
17 | 1993152025 |
18 | 5436308892 |
19 | 16199822928 |
20 | 44216960412 |
21 | 131695381211 |
22 | 359328558160 |
23 | 1070497238319 |
[109,252,889,2492,6944,18356,56137,155304,457083, 1237656,3708013,10156868,30171658,82173696, 245127382,669551372,1993152025,5436308892, 16199822928,44216960412,131695381211,359328558160, 1070497238319] |