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A015399 as a simple table

n a(n)
10 1
11 23775972551
12 621826557818118395106
13 16116470915170412804822871108406
14 418048302457998082359053173653182700919721
15 10843028997901257369999365975865569183708813670389271

[1,23775972551,621826557818118395106,
 16116470915170412804822871108406,
 418048302457998082359053173653182700919721,
 10843028997901257369999365975865569183708813670389\
 271]

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Last modified April 1 05:04 EDT 2020. Contains 333155 sequences. (Running on oeis4.)