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A215606 as a simple table

n a(n)
1 4
2 140
3 8472
4 157056
5 1629912
6 7050672
7 13962864
8 11951592
9 4526544
10 606408
11 23136

[4,140,8472,157056,1629912,7050672,13962864,
 11951592,4526544,606408,23136]

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Last modified January 26 01:48 EST 2020. Contains 331270 sequences. (Running on oeis4.)