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A202956 as a simple table

n a(n)
1 6
2 28
3 82
4 200
5 524
6 1724
7 5908
8 18340
9 53680
10 162080
11 515626
12 1651124
13 5168256
14 15997588
15 50018962
16 158377344
17 502147864
18 1584312736
19 4991421852
20 15779264936
21 50053153920
22 158866891408
23 503893624892
24 1598691706648
25 5078888702164

[6,28,82,200,524,1724,5908,18340,53680,162080,
 515626,1651124,5168256,15997588,50018962,
 158377344,502147864,1584312736,4991421852,
 15779264936,50053153920,158866891408,503893624892,
 1598691706648,5078888702164]

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Last modified November 29 14:50 EST 2021. Contains 349416 sequences. (Running on oeis4.)