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A155467 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 1
4 6
5 1
6 1
7 22
8 22
9 1
10 1
11 65
12 220
13 65
14 1
15 1
16 171
17 1510
18 1510
19 171
20 1
21 1
22 420
23 8337
24 21140
25 8337
26 420
27 1
28 1
29 988
30 40068
31 218666
32 218666
33 40068
34 988
35 1
36 1
37 2259
38 175296
39 1852914
40 3935988
41 1852914
42 175296
43 2259
44 1
45 1
46 5065
47 717600
48 13655760
49 55034868

[1,1,1,1,6,1,1,22,22,1,1,65,220,65,1,1,171,1510,
 1510,171,1,1,420,8337,21140,8337,420,1,1,988,
 40068,218666,218666,40068,988,1,1,2259,175296,
 1852914,3935988,1852914,175296,2259,1,1,5065,
 717600,13655760,55034868]

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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