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A059224 as a simple table

n a(n)
3 18
4 70
5 224
6 648
7 1760
8 4576
9 11520
10 28288
11 68096
12 161280
13 376832
14 870400
15 1990656
16 4513792
17 10158080
18 22708224
19 50462720
20 111542272
21 245366784
22 537395200
23 1172307968
24 2548039680
25 5519704064
26 11920211968
27 25669140480

[18,70,224,648,1760,4576,11520,28288,68096,161280,
 376832,870400,1990656,4513792,10158080,22708224,
 50462720,111542272,245366784,537395200,1172307968,
 2548039680,5519704064,11920211968,25669140480]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)