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A105636 as a simple table

na(n)
00
11
28
328
472
5153
6288
7496
8800
91225
101800
112556
123528
134753
146272
158128
1610368
1713041
1816200
1919900
2024200
2129161
2234848
2341328
2448672
2556953
2666248
2776636
2888200
29101025
30115200
31130816
32147968
33166753
34187272
35209628
36233928
37260281
38288800
39319600

[0,1,8,28,72,153,288,496,800,1225,1800,2556,3528,
 4753,6272,8128,10368,13041,16200,19900,24200,
 29161,34848,41328,48672,56953,66248,76636,88200,
 101025,115200,130816,147968,166753,187272,209628,
 233928,260281,288800,319600]