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A372963 as a simple table

na(n)
11
261
3721
43901
515601
643981
7117601
8249661
9525601
10951661
111771441
122812621
134826641
147173661
1511248321
1615978301
1724137281
1832061661
1947045521
2060859501
2184790321
22108057901
23148035361
24180005581
25243765601
26294425101
27383163121
28458761501
29594822481
30686147581

[1,61,721,3901,15601,43981,117601,249661,525601,
 951661,1771441,2812621,4826641,7173661,11248321,
 15978301,24137281,32061661,47045521,60859501,
 84790321,108057901,148035361,180005581,243765601,
 294425101,383163121,458761501,594822481,686147581]