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A053917 formatted as a simple table:

n a(n)
1 4
2 324
3 232324
4 34433424
5 434222244
6 43342243344
7 242223434244
8 43323224233444
9 4222343433322242244

[4,324,232324,34433424,434222244,43342243344,
 242223434244,43323224233444,4222343433322242244]

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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