n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 1 |
4 | 4 |
5 | 10 |
6 | 1 |
7 | 6 |
8 | 24 |
9 | 66 |
10 | 1 |
11 | 8 |
12 | 42 |
13 | 172 |
14 | 498 |
15 | 1 |
16 | 10 |
17 | 64 |
18 | 326 |
19 | 1360 |
20 | 4066 |
21 | 1 |
22 | 12 |
23 | 90 |
24 | 536 |
25 | 2706 |
26 | 11444 |
27 | 34970 |
28 | 1 |
29 | 14 |
30 | 120 |
31 | 810 |
32 | 4672 |
33 | 23526 |
34 | 100520 |
35 | 312066 |
36 | 1 |
37 | 16 |
38 | 154 |
39 | 1156 |
40 | 7410 |
41 | 42024 |
42 | 211546 |
43 | 911068 |
44 | 2862562 |
45 | 1 |
46 | 18 |
47 | 192 |
48 | 1582 |
49 | 11088 |
50 | 69002 |
51 | 387456 |
52 | 1951494 |
53 | 8457504 |
54 | 26824386 |
[1,1,2,1,4,10,1,6,24,66,1,8,42,172,498,1,10,64, 326,1360,4066,1,12,90,536,2706,11444,34970,1,14, 120,810,4672,23526,100520,312066,1,16,154,1156, 7410,42024,211546,911068,2862562,1,18,192,1582, 11088,69002,387456,1951494,8457504,26824386] |