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A309874 as a simple table

n a(n)
2 2
3 6
4 10
5 20
6 38
7 70
8 130
9 234
10 422
11 748
12 1322
13 2314
14 4034
15 6990
16 12066
17 20740
18 35534
19 60686
20 103362
21 175602
22 297662
23 503516
24 850130
25 1432850
26 2411138
27 4051350
28 6798010
29 11392244
30 19068662
31 31882198
32 53250562
33 88853754
34 148125014

[2,6,10,20,38,70,130,234,422,748,1322,2314,4034,
 6990,12066,20740,35534,60686,103362,175602,297662,
 503516,850130,1432850,2411138,4051350,6798010,
 11392244,19068662,31882198,53250562,88853754,
 148125014]

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Last modified July 17 05:50 EDT 2024. Contains 374360 sequences. (Running on oeis4.)