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A103905 as a simple table

n a(n)
1 1
2 1
3 2
4 1
5 6
6 3
7 1
8 20
9 20
10 4
11 1
12 70
13 175
14 50
15 5
16 1
17 252
18 1764
19 980
20 105
21 6
22 1
23 924
24 19404
25 24696
26 4116
27 196
28 7
29 1
30 3432
31 226512
32 731808
33 232848
34 14112
35 336
36 8
37 1
38 12870
39 2760615
40 24293412
41 16818516
42 1646568
43 41580
44 540
45 9
46 1
47 48620
48 34763300

[1,1,2,1,6,3,1,20,20,4,1,70,175,50,5,1,252,1764,
 980,105,6,1,924,19404,24696,4116,196,7,1,3432,
 226512,731808,232848,14112,336,8,1,12870,2760615,
 24293412,16818516,1646568,41580,540,9,1,48620,
 34763300]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)