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A287011 as a simple table

na(n)
1220
2284
3280540
4365084
5319550
6430402
74532710
86135962
9938304290
101344480478
1114840132450
1221445545118
1335049418250
1454192685558
1520568863440125
1632021343142659
1792371445691525
18154378742017851

[220,284,280540,365084,319550,430402,4532710,
 6135962,938304290,1344480478,14840132450,
 21445545118,35049418250,54192685558,
 20568863440125,32021343142659,92371445691525,
 154378742017851]