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A266093 as a simple table

n a(n)
0 1
1 4
2 36
3 372
4 4372
5 57396
6 828020
7 12962164
8 218098356
9 3915198836
10 74543140404
11 1497946963316
12 31640513815604
13 700059941981812
14 16175777760450868
15 389308305885650804
16 9736819496150623284
17 252548355023773152372

[1,4,36,372,4372,57396,828020,12962164,218098356,
 3915198836,74543140404,1497946963316,
 31640513815604,700059941981812,16175777760450868,
 389308305885650804,9736819496150623284,
 252548355023773152372]

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Last modified April 4 07:32 EDT 2020. Contains 333213 sequences. (Running on oeis4.)