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A181985 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 5
10 1
11 1
12 1
13 19
14 61
15 1
16 1
17 1
18 69
19 1513
20 1385
21 1
22 1
23 1
24 251
25 33661
26 315523
27 50521
28 1
29 1
30 1
31 923
32 750751
33 60376809
34 136085041
35 2702765
36 1
37 1
38 1
39 3431
40 17116009
41 11593285251
42 288294050521
43 105261234643
44 199360981
45 1

[1,1,1,1,1,1,1,1,5,1,1,1,19,61,1,1,1,69,1513,1385,
 1,1,1,251,33661,315523,50521,1,1,1,923,750751,
 60376809,136085041,2702765,1,1,1,3431,17116009,
 11593285251,288294050521,105261234643,199360981,1]

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Last modified April 18 11:52 EDT 2024. Contains 371779 sequences. (Running on oeis4.)