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A327561 as a simple table

na(n)
10
231
3291
42421
520047
6167493
71414416
812055582
9103547007
10895037251
117777564986
1267886919436
13594812780492
145228677322789
1546092207649088
16407310913585540
173607044214789103
1832002805595571724
19284404590208016926

[0,31,291,2421,20047,167493,1414416,12055582,
 103547007,895037251,7777564986,67886919436,
 594812780492,5228677322789,46092207649088,
 407310913585540,3607044214789103,
 32002805595571724,284404590208016926]