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A197783 as a simple table

n a(n)
1 1
2 1
3 10
4 67
5 854
6 17622
7 946069
8 78840479
9 11293856230
10 2985961804881

[1,1,10,67,854,17622,946069,78840479,11293856230,
 2985961804881]

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Last modified August 16 12:15 EDT 2022. Contains 356168 sequences. (Running on oeis4.)