n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 9 |
6 | 28 |
7 | 46 |
8 | 136 |
9 | 288 |
10 | 722 |
11 | 1238 |
12 | 4342 |
13 | 6818 |
14 | 19146 |
15 | 45026 |
16 | 111698 |
17 | 189506 |
18 | 624930 |
19 | 1003942 |
20 | 3187170 |
21 | 6659438 |
22 | 15815050 |
23 | 27669542 |
24 | 98100426 |
25 | 166371218 |
26 | 437756198 |
27 | 972187194 |
28 | 2528368182 |
29 | 4258122302 |
30 | 14644463794 |
31 | 23160708398 |
[1,1,2,5,9,28,46,136,288,722,1238,4342,6818,19146, 45026,111698,189506,624930,1003942,3187170, 6659438,15815050,27669542,98100426,166371218, 437756198,972187194,2528368182,4258122302, 14644463794,23160708398] |