n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 12 |
4 | 30 |
5 | 74 |
6 | 185 |
7 | 460 |
8 | 1150 |
9 | 2868 |
10 | 7170 |
11 | 17904 |
12 | 44760 |
13 | 111834 |
14 | 279585 |
15 | 698748 |
16 | 1746870 |
17 | 4366460 |
18 | 10916150 |
19 | 27287944 |
20 | 68219860 |
21 | 170541252 |
22 | 426353130 |
23 | 1065853432 |
24 | 2664633580 |
25 | 6661479944 |
26 | 16653699860 |
27 | 41633878200 |
28 | 104084695500 |
29 | 260210401530 |
30 | 650526003825 |
[1,2,5,12,30,74,185,460,1150,2868,7170,17904, 44760,111834,279585,698748,1746870,4366460, 10916150,27287944,68219860,170541252,426353130, 1065853432,2664633580,6661479944,16653699860, 41633878200,104084695500,260210401530, 650526003825] |