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A012378 as a simple table

n a(n)
0 0
1 2
2 12
3 430
4 26040
5 2661178
6 402231940
7 84456360742
8 23476965450736
9 8341678414816242
10 3686586514781799292
11 1982979948714026781726
12 1275341677617693817452200
13 966341800352400737116306986

[0,2,12,430,26040,2661178,402231940,84456360742,
 23476965450736,8341678414816242,
 3686586514781799292,1982979948714026781726,
 1275341677617693817452200,
 966341800352400737116306986]

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)