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A217188 as a simple table

n a(n)
1 1
2 4
3 4
4 90
5 176
6 289
7 1170
8 6640
9 21569
10 21569
11 54421

[1,4,4,90,176,289,1170,6640,21569,21569,54421]

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Last modified May 28 07:30 EDT 2022. Contains 354112 sequences. (Running on oeis4.)