n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 32 |
6 | 112 |
7 | 408 |
8 | 1514 |
9 | 5680 |
10 | 21472 |
11 | 81644 |
12 | 311896 |
13 | 1196132 |
14 | 4602236 |
15 | 17757184 |
16 | 68680170 |
17 | 266200112 |
18 | 1033703056 |
19 | 4020716124 |
20 | 15662273840 |
21 | 61092127492 |
22 | 238582873476 |
23 | 932758045124 |
24 | 3650336341240 |
25 | 14298633670932 |
26 | 56055986383412 |
27 | 219931273282348 |
28 | 863504076182884 |
29 | 3392593262288780 |
30 | 13337336618626132 |
[1,2,2,4,10,32,112,408,1514,5680,21472,81644, 311896,1196132,4602236,17757184,68680170, 266200112,1033703056,4020716124,15662273840, 61092127492,238582873476,932758045124, 3650336341240,14298633670932,56055986383412, 219931273282348,863504076182884,3392593262288780, 13337336618626132] |