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A358863 as a simple table

n a(n)
2 4
3 28
4 16
5 176
6 4950
7 8910
8 1408
9 346500
10 277992
11 7542080
12 326656
13 544320
14 120400000
15 145213440
16 48549888
17 4733575168
18 536813568
19 2149576704
20 3057500160
21 938539560960
22 1358951178240
23 36324805836800
24 99956555776
25 49212503949312
26 118747221196800
27 59461613912064
28 13749193801728

[4,28,16,176,4950,8910,1408,346500,277992,7542080,
 326656,544320,120400000,145213440,48549888,
 4733575168,536813568,2149576704,3057500160,
 938539560960,1358951178240,36324805836800,
 99956555776,49212503949312,118747221196800,
 59461613912064,13749193801728]

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Last modified April 27 07:52 EDT 2024. Contains 372009 sequences. (Running on oeis4.)