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A120316 as a simple table

na(n)
181450625
212594450625
329661450625
481924750625
5195562950625
6233313150625
7308052750625
8379733250625
9764269350625
101490902050625
114606281750625
124995336750625
135551796250625
147502257950625
158450794350625
1625857479250625

[81450625,12594450625,29661450625,81924750625,
 195562950625,233313150625,308052750625,
 379733250625,764269350625,1490902050625,
 4606281750625,4995336750625,5551796250625,
 7502257950625,8450794350625,25857479250625]