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A009691 as a simple table

n a(n)
1 1
2 5
3 113
4 5781
5 520001
6 72300997
7 14337027825
8 3838128112661
9 1332896717838849
10 582503435362842629
11 312774761747765633777
12 202388665054249928155157
13 155314408487077603685528641

[1,5,113,5781,520001,72300997,14337027825,
 3838128112661,1332896717838849,582503435362842629,
 312774761747765633777,202388665054249928155157,
 155314408487077603685528641]

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Last modified February 22 06:09 EST 2024. Contains 370240 sequences. (Running on oeis4.)