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A097486 as a simple table

na(n)
03
133
2315
33143
431417
5314160
63141593
731415927
8314159266
93141592655
1031415926537
11314159265359
123141592653591

[3,33,315,3143,31417,314160,3141593,31415927,
 314159266,3141592655,31415926537,314159265359,
 3141592653591]