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A011543 as a simple table

na(n)
02
127
2271
32718
427182
5271828
62718281
727182818
8271828182
92718281828
1027182818284
11271828182845
122718281828459
1327182818284590
14271828182845904
152718281828459045
1627182818284590452
17271828182845904523
182718281828459045235
1927182818284590452353
20271828182845904523536

[2,27,271,2718,27182,271828,2718281,27182818,
 271828182,2718281828,27182818284,271828182845,
 2718281828459,27182818284590,271828182845904,
 2718281828459045,27182818284590452,
 271828182845904523,2718281828459045235,
 27182818284590452353,271828182845904523536]