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A015417 as a simple table

n a(n)
11 1
12 -90909090909
13 9182736455455463728191
14 -917356289256280909173471073462809
15 91744803405968779530929125886960513398447191
16 -9174388596710909926545613072877527255280907421320652809 

[1,-90909090909,9182736455455463728191,
 -917356289256280909173471073462809,
 91744803405968779530929125886960513398447191,
 -9174388596710909926545613072877527255280907421320\
 652809]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)