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A134072 as a simple table

n a(n)
1 1
2 31
3 431
4 7431
5 117431
6 18117431
7 2918117431
8 472918117431
9 76472918117431
10 12376472918117431
11 19912376472918117431
12 32219912376472918117431
13 52132219912376472918117431
14 84352132219912376472918117431 

[1,31,431,7431,117431,18117431,2918117431,
 472918117431,76472918117431,12376472918117431,
 19912376472918117431,32219912376472918117431,
 52132219912376472918117431,
 84352132219912376472918117431]

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Last modified September 19 01:02 EDT 2024. Contains 376002 sequences. (Running on oeis4.)