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A300553 as a simple table

na(n)
30
44
512
636
756
8120
9135
10250
11297
12684
13520
14910
15945
161616
171428
182826
192489
203500
213654
225346
234899
249000
257175
2610010
279909
2814028
2913050
3021960
3117577
3223552
3321582
3428798
3528385
3638952
3736778
3847044
3943992
4057680
4151455
4277238
4366865
4481576

[0,4,12,36,56,120,135,250,297,684,520,910,945,
 1616,1428,2826,2489,3500,3654,5346,4899,9000,7175,
 10010,9909,14028,13050,21960,17577,23552,21582,
 28798,28385,38952,36778,47044,43992,57680,51455,
 77238,66865,81576]