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A214590 as a simple table

n a(n)
1 4
2 8
3 62
4 1862
5 187862
6 63120962
7 71200442882
8 272199293130242
9 3552472974642762242
10 159161446682919676638722
11 24593308418551382594861736962
12 13156534644821921838477614251069442

[4,8,62,1862,187862,63120962,71200442882,
 272199293130242,3552472974642762242,
 159161446682919676638722,
 24593308418551382594861736962,
 13156534644821921838477614251069442]

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Last modified January 22 23:09 EST 2021. Contains 340383 sequences. (Running on oeis4.)