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A058102 as a simple table

na(n)
01
18
235
3100
4260
5548
61191
72340
84525
98320
1014838
1125828
1244070
1373500
14120695
15194408
16309459
17485400
18753025
191154260
201751419
212631924
223920625
235790400
248486720
2512343172
2617832027
2725588580
2836495125
2951738640

[1,8,35,100,260,548,1191,2340,4525,8320,14838,
 25828,44070,73500,120695,194408,309459,485400,
 753025,1154260,1751419,2631924,3920625,5790400,
 8486720,12343172,17832027,25588580,36495125,
 51738640]