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A356391 as a simple table

n a(n)
1 1
2 5
3 35
4 206
5 1654
6 13524
7 130668
8 1262064
9 15027696
10 178581600
11 2407111200
12 33276182400
13 514020643200
14 8130342124800
15 144621487584000
16 2537556118272000
17 49206063078144000
18 982811803276800000
19 20991083543732736000
20 454612169591580672000
21 10763306565511514112000

[1,5,35,206,1654,13524,130668,1262064,15027696,
 178581600,2407111200,33276182400,514020643200,
 8130342124800,144621487584000,2537556118272000,
 49206063078144000,982811803276800000,
 20991083543732736000,454612169591580672000,
 10763306565511514112000]

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Last modified September 16 18:24 EDT 2024. Contains 375977 sequences. (Running on oeis4.)