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A063786 as a simple table

n a(n)
2 1
3 1
4 1
5 2
6 5
7 5
8 14
9 14
10 41
11 42
12 132
13 132
14 429
15 429
16 1428
17 1430
18 4862
19 4862
20 16796
21 16796
22 58781
23 58786
24 208012
25 208012
26 742900
27 742900
28 2674426
29 2674440
30 9694845
31 9694845
32 35357670
33 35357670
34 129644748
35 129644790
36 477638700
37 477638700

[1,1,1,2,5,5,14,14,41,42,132,132,429,429,1428,
 1430,4862,4862,16796,16796,58781,58786,208012,
 208012,742900,742900,2674426,2674440,9694845,
 9694845,35357670,35357670,129644748,129644790,
 477638700,477638700]

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Last modified March 28 12:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)