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A089408 as a simple table

n a(n)
0 1
1 1
2 2
3 1
4 2
5 2
6 4
7 5
8 10
9 14
10 28
11 42
12 84
13 132
14 264
15 429
16 858
17 1430
18 2860
19 4862
20 9724
21 16796
22 33592
23 58786
24 117572
25 208012
26 416024
27 742900
28 1485800
29 2674440
30 5348880
31 9694845
32 19389690
33 35357670
34 70715340
35 129644790
36 259289580
37 477638700

[1,1,2,1,2,2,4,5,10,14,28,42,84,132,264,429,858,
 1430,2860,4862,9724,16796,33592,58786,117572,
 208012,416024,742900,1485800,2674440,5348880,
 9694845,19389690,35357670,70715340,129644790,
 259289580,477638700]

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Last modified June 12 21:26 EDT 2024. Contains 373360 sequences. (Running on oeis4.)