n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 53 |
4 | 275 |
5 | 780 |
6 | 5713 |
7 | 16773 |
8 | 98870 |
9 | 393913 |
10 | 1869033 |
11 | 8527840 |
12 | 32730687 |
13 | 177791439 |
14 | 674100600 |
15 | 3386483171 |
16 | 13856198755 |
17 | 66236228308 |
18 | 289604893615 |
19 | 1242844626331 |
20 | 5912414575588 |
21 | 24990706118619 |
22 | 116867053171491 |
[1,16,53,275,780,5713,16773,98870,393913,1869033, 8527840,32730687,177791439,674100600,3386483171, 13856198755,66236228308,289604893615, 1242844626331,5912414575588,24990706118619, 116867053171491] |