n | a(n) |
---|---|
13 | 1 |
14 | 3 |
15 | 12 |
16 | 33 |
17 | 114 |
18 | 403 |
19 | 1618 |
20 | 8946 |
21 | 45917 |
22 | 189428 |
23 | 979841 |
24 | 5497818 |
25 | 31708309 |
26 | 178006222 |
27 | 1091681487 |
28 | 6207647636 |
29 | 32636979255 |
30 | 184162388392 |
31 | 1069147827024 |
32 | 6446977283374 |
[1,3,12,33,114,403,1618,8946,45917,189428,979841, 5497818,31708309,178006222,1091681487,6207647636, 32636979255,184162388392,1069147827024, 6446977283374] |