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A155196 as a simple table

n a(n)
0 1
1 6
2 42
3 300
4 2142
5 15294
6 109200
7 779694
8 5567058
9 39749100
10 283810758
11 2026424406
12 14468781600
13 103307895606
14 737624050842
15 5266676251500
16 37604357811342
17 268497180930894
18 1917084624327600
19 13688089551224094

[1,6,42,300,2142,15294,109200,779694,5567058,
 39749100,283810758,2026424406,14468781600,
 103307895606,737624050842,5266676251500,
 37604357811342,268497180930894,1917084624327600,
 13688089551224094]

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Last modified June 20 16:06 EDT 2021. Contains 345165 sequences. (Running on oeis4.)