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A288947 as a simple table

na(n)
11
21
310
436
576
6129
7210
8310
9452
10619
11842
121096
131420
141781
152226
162714
173300
183935
194682
205484
216412
227401
238530
249726
2511076
2612499
2714090
2815760
2917612
3019549
3121682
3223906
3326340
3428871
3531626
3634484
3737580
3840785
3944242
4047814

[1,1,10,36,76,129,210,310,452,619,842,1096,1420,
 1781,2226,2714,3300,3935,4682,5484,6412,7401,8530,
 9726,11076,12499,14090,15760,17612,19549,21682,
 23906,26340,28871,31626,34484,37580,40785,44242,
 47814]