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A123179 formatted as a simple table:

n a(n)
1 1
2 121
3 1213231
4 1213231424341
5 121323142434152535451
6 1213231424341525354516263646561
7 1213231424341525354516263646561727374757671 

[1,121,1213231,1213231424341,
 121323142434152535451,
 1213231424341525354516263646561,
 1213231424341525354516263646561727374757671]

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

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