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A235457 as a simple table

n a(n)
3 1
4 142
5 4699
6 77970
7 672506
8 4338248
9 21167201
10 85351595
11 294664274
12 911848844
13 2528561187
14 6501165477

[1,142,4699,77970,672506,4338248,21167201,
 85351595,294664274,911848844,2528561187,
 6501165477]

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Last modified June 24 08:54 EDT 2024. Contains 373674 sequences. (Running on oeis4.)