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A210396 as a simple table

na(n)
17
21316
31596154
411066406572
5437975212393770
698959148496365005996
7127648944977287507883659858
8940014634186299364055616416384316

[7,1316,1596154,11066406572,437975212393770,
 98959148496365005996,127648944977287507883659858,
 940014634186299364055616416384316]