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A015402 as a simple table

n a(n)
10 1
11 128011456717
12 17752510805031727164870
13 2446220929187500105890055171302510
14 337244135881870906696294510219932684378716373
15 46491842741544248966048667175076748587505712393943779761

[1,128011456717,17752510805031727164870,
 2446220929187500105890055171302510,
 337244135881870906696294510219932684378716373,
 46491842741544248966048667175076748587505712393943\
 779761]

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Last modified February 19 22:36 EST 2020. Contains 332061 sequences. (Running on oeis4.)