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A161971 as a simple table

n a(n)
0 1
1 1
2 3
3 28
4 521
5 15596
6 672457
7 39049396
8 2919995969
9 272314100944
10 30921124212881
11 4195725816103724
12 670156359448985521
13 124435720115244671056
14 26578720273153614206201

[1,1,3,28,521,15596,672457,39049396,2919995969,
 272314100944,30921124212881,4195725816103724,
 670156359448985521,124435720115244671056,
 26578720273153614206201]

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Last modified August 26 04:18 EDT 2024. Contains 375454 sequences. (Running on oeis4.)