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A022256 as a simple table

n a(n)
5 1
6 66430
7 3971657053
8 234844517989720
9 13869447829832637406
10 818990894351617238824300
11 48360684318187059842589436510
12 2855650645340126913932218722028600
13 168623318873839155489174680568370759015

[1,66430,3971657053,234844517989720,
 13869447829832637406,818990894351617238824300,
 48360684318187059842589436510,
 2855650645340126913932218722028600,
 168623318873839155489174680568370759015]

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)