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A082771 as a simple table

n a(n)
1 1
2 2
3 3
4 2
5 4
6 10
7 3
8 7
9 21
10 73
11 2
12 6
13 26
14 126
15 626
16 4
17 12
18 50
19 252
20 1394
21 8052
22 2
23 8
24 50
25 344
26 2402
27 16808
28 117650
29 4
30 15
31 85
32 585
33 4369
34 33825
35 266305
36 2113665
37 3
38 13
39 91
40 757
41 6643
42 59293
43 532171
44 4785157
45 43053283
46 4
47 18
48 130
49 1134
50 10642
51 103158
52 1015690
53 10078254
54 100390882
55 1001953638

[1,2,3,2,4,10,3,7,21,73,2,6,26,126,626,4,12,50,
 252,1394,8052,2,8,50,344,2402,16808,117650,4,15,
 85,585,4369,33825,266305,2113665,3,13,91,757,6643,
 59293,532171,4785157,43053283,4,18,130,1134,10642,
 103158,1015690,10078254,100390882,1001953638]

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)