n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 19 |
6 | 50 |
7 | 122 |
8 | 317 |
9 | 837 |
10 | 2213 |
11 | 5758 |
12 | 15236 |
13 | 40028 |
14 | 105079 |
15 | 276627 |
16 | 727409 |
17 | 1910685 |
18 | 5020094 |
19 | 13180380 |
20 | 34600740 |
21 | 90814431 |
22 | 238288480 |
23 | 625111687 |
24 | 1639676484 |
25 | 4300183922 |
26 | 11275936787 |
27 | 29564497466 |
28 | 77507123132 |
29 | 203175049457 |
30 | 532552499826 |
31 | 1395790412496 |
[1,2,4,9,19,50,122,317,837,2213,5758,15236,40028, 105079,276627,727409,1910685,5020094,13180380, 34600740,90814431,238288480,625111687,1639676484, 4300183922,11275936787,29564497466,77507123132, 203175049457,532552499826,1395790412496] |