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A087109 as a simple table

n a(n)
1 1
2 1
3 5
4 10
5 10
6 5
7 1
8 1
9 35
10 370
11 1920
12 5835
13 11253
14 14240
15 11830
16 6230
17 1890
18 252
19 1
20 215
21 8830
22 148480
23 1352615
24 7665757
25 29224020
26 78518790
27 152794740
28 218270220
29 229279512
30 175227360
31 94864770
32 34504470
33 7567560
34 756756
35 1
36 1295
37 191890

[1,1,5,10,10,5,1,1,35,370,1920,5835,11253,14240,
 11830,6230,1890,252,1,215,8830,148480,1352615,
 7665757,29224020,78518790,152794740,218270220,
 229279512,175227360,94864770,34504470,7567560,
 756756,1,1295,191890]

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Last modified June 6 10:57 EDT 2024. Contains 373127 sequences. (Running on oeis4.)