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A216208 as a simple table

n a(n)
1 11
2 121
3 13231
4 143424341
5 15453545254535451
6 165646563656465626564656365646561
7 17675767476757673767576747675767276757674767576737675767476757671 

[11,121,13231,143424341,15453545254535451,
 165646563656465626564656365646561,
 17675767476757673767576747675767276757674767576737\
 675767476757671]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)