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A370200 as a simple table

na(n)
21
32
49
548
625
72160
82205
917920
105103
1118144000
1221175
132874009600
1411293425
15100452352
169577693125
17167382319104000
18253127875
1957621363351552000
20282135852999
2175676057600000
22372075093219375
2312364008005553684480000
2457618381445625
2511912609313278197235712

[1,2,9,48,25,2160,2205,17920,5103,18144000,21175,
 2874009600,11293425,100452352,9577693125,
 167382319104000,253127875,57621363351552000,
 282135852999,75676057600000,372075093219375,
 12364008005553684480000,57618381445625,
 11912609313278197235712]