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A200930 as a simple table

na(n)
17
221
357
4107
5151
6134
770
8906
95719
1022641
1157330
1294749
1391284
1446026
15712408
165250502
1723239004
1863993718
19111584800
20110564320
2155707400
22931579960
237356246430
2434247930590
2597967909500
26175167537020
27176238424600

[7,21,57,107,151,134,70,906,5719,22641,57330,
 94749,91284,46026,712408,5250502,23239004,
 63993718,111584800,110564320,55707400,931579960,
 7356246430,34247930590,97967909500,175167537020,
 176238424600]