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A072879 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 4
7 19
8 379
9 144019
10 20741616379
11 107553662508585672001
12 608831069421618273050865038881215685876
13 978035016076705458999330010986670207956236476587064788804921180339451725001 

[1,1,1,1,1,4,19,379,144019,20741616379,
 107553662508585672001,
 608831069421618273050865038881215685876,
 97803501607670545899933001098667020795623647658706\
 4788804921180339451725001]

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Last modified June 12 03:33 EDT 2024. Contains 373321 sequences. (Running on oeis4.)