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A025133 as a simple table

n a(n)
3 9
4 256
5 5825
6 117561
7 2229206
8 40645536
9 721957977
10 12587900665
11 216494284886
12 3684700444921
13 62202196684966
14 1043201004995254
15 17402695775329724
16 289035985511398816
17 4782824895703150121
18 78896686234320906753
19 1297987090781736899270
20 21304819716551897181561

[9,256,5825,117561,2229206,40645536,721957977,
 12587900665,216494284886,3684700444921,
 62202196684966,1043201004995254,17402695775329724,
 289035985511398816,4782824895703150121,
 78896686234320906753,1297987090781736899270,
 21304819716551897181561]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)