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A238723 as a simple table

n a(n)
1 8
2 42
3 336
4 1506
5 11440
6 48538
7 359456
8 1502622
9 10971288
10 45750856
11 331213056
12 1382740252
13 9956765976
14 41644596642
15 298827741680
16 1252006016638
17 8963172170592
18 37604588665246
19 268792589572384
20 1128862873230946

[8,42,336,1506,11440,48538,359456,1502622,
 10971288,45750856,331213056,1382740252,9956765976,
 41644596642,298827741680,1252006016638,
 8963172170592,37604588665246,268792589572384,
 1128862873230946]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)