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A225390 as a simple table

na(n)
1630
2749700
32162160
434283340
576576500
6105887628
7330360660
8865924920
92456409186
1017246794950
1135051708835
12999302826060
133153804823260
14161708540211900
151153195485992550
161330786621788263640

[630,749700,2162160,34283340,76576500,105887628,
 330360660,865924920,2456409186,17246794950,
 35051708835,999302826060,3153804823260,
 161708540211900,1153195485992550,
 1330786621788263640]