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A051572 as a simple table

n a(n)
1 5
2 6
3 12
4 28
5 56
6 120
7 360
8 1170
9 3276
10 10192
11 24738
12 61440
13 196584
14 491520
15 1572840
16 5433480
17 20180160
18 94859856
19 355532800
20 1040179456
21 2143289344
22 4966055344
23 10092086208
24 31800637440
25 137371852800
26 641012414823

[5,6,12,28,56,120,360,1170,3276,10192,24738,61440,
 196584,491520,1572840,5433480,20180160,94859856,
 355532800,1040179456,2143289344,4966055344,
 10092086208,31800637440,137371852800,641012414823]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)