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A027896 as a simple table

na(n)
11
23
39
421649
564947
6194841
7513239
81539717
94619151
1011111111111
1133333333333
1299999999999

[1,3,9,21649,64947,194841,513239,1539717,4619151,
 11111111111,33333333333,99999999999]