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A237696 as a simple table

na(n)
181
2310
31186
44700
518612
673176
7287924
81136084
94482952
1017653056
1169546776
12274191240
131081253560
144259811632
1516788534672
1666170693936
17260880060656
181027965311952
194051919616000
2015968658702496
2162951672360256

[81,310,1186,4700,18612,73176,287924,1136084,
 4482952,17653056,69546776,274191240,1081253560,
 4259811632,16788534672,66170693936,260880060656,
 1027965311952,4051919616000,15968658702496,
 62951672360256]