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A230131 as a simple table

n a(n)
8 2
9 32
10 462
11 6644
12 98472
13 1523808
14 24744720
15 422335056
16 7575963254
17 142706934722
18 2819192544786
19 58323311592602
20 1261634626792744
21 28492765388656632
22 670804322638496378
23 16439609940896532018
24 418816100433422180196
25 11077009292500273732470

[2,32,462,6644,98472,1523808,24744720,422335056,
 7575963254,142706934722,2819192544786,
 58323311592602,1261634626792744,28492765388656632,
 670804322638496378,16439609940896532018,
 418816100433422180196,11077009292500273732470]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)