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A192346 as a simple table

na(n)
11
20
33
44
525
668
7275
8904
93297
1011400
1140499
12141900
13500697
141760396
156200675
1621820432
1776823425
18270407696
19951914403
203350807700
2111795463001
2241521535700
23146162319603
24514512119704
251811159622625
266375545788568
2722442862753875

[1,0,3,4,25,68,275,904,3297,11400,40499,141900,
 500697,1760396,6200675,21820432,76823425,
 270407696,951914403,3350807700,11795463001,
 41521535700,146162319603,514512119704,
 1811159622625,6375545788568,22442862753875]