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A155725 as a simple table

na(n)
02
14
24
321
418
521
6211
7125
8125
9211
103025
111680
12670
131680
143025
1555441
1631639
177960
187960
1931639
2055441
211235521
22725655
23178199
2445570
25178199
26725655
271235521
2832432401
2919471584
304988326
31765289
32765289
334988326
3419471584

[2,4,4,21,18,21,211,125,125,211,3025,1680,670,
 1680,3025,55441,31639,7960,7960,31639,55441,
 1235521,725655,178199,45570,178199,725655,1235521,
 32432401,19471584,4988326,765289,765289,4988326,
 19471584]