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A297844 as a simple table

na(n)
11
264
3486
42080
56250
616038
733614
867584
9118341
10206250
11322102
12515264
13742586
141109262
151525000
162163712
172839714
183912786
194952198
206606250
218201816
2210629366
2312872686
2416504000
2519534375
2624505338
2728815912
2835529998
2941022298
3050334302

[1,64,486,2080,6250,16038,33614,67584,118341,
 206250,322102,515264,742586,1109262,1525000,
 2163712,2839714,3912786,4952198,6606250,8201816,
 10629366,12872686,16504000,19534375,24505338,
 28815912,35529998,41022298,50334302]