n | a(n) |
---|---|
3 | 7 |
4 | 21 |
5 | 96 |
6 | 832 |
7 | 1539 |
8 | 4281 |
9 | 10902 |
10 | 76020 |
11 | 117585 |
12 | 306639 |
13 | 634686 |
14 | 1537206 |
15 | 9013319 |
16 | 13793487 |
17 | 32005392 |
18 | 64458596 |
19 | 138068775 |
20 | 278292429 |
21 | 1622912266 |
22 | 2321086080 |
23 | 5318890971 |
24 | 10014128239 |
25 | 20784037248 |
26 | 38209197732 |
27 | 80154402633 |
28 | 415073903937 |
29 | 593664848658 |
[7,21,96,832,1539,4281,10902,76020,117585,306639, 634686,1537206,9013319,13793487,32005392,64458596, 138068775,278292429,1622912266,2321086080, 5318890971,10014128239,20784037248,38209197732, 80154402633,415073903937,593664848658] |