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A050409 as a simple table

na(n)
00
15
229
386
4190
5355
6595
7924
81356
91905
102585
113410
124394
135551
146895
158440
1610200
1712189
1814421
1916910
2019670
2122715
2226059
2329716
2433700
2538025
2642705
2747754
2853186
2959015
3065255
3171920
3279024
3386581
3494605
35103110
36112110
37121619

[0,5,29,86,190,355,595,924,1356,1905,2585,3410,
 4394,5551,6895,8440,10200,12189,14421,16910,19670,
 22715,26059,29716,33700,38025,42705,47754,53186,
 59015,65255,71920,79024,86581,94605,103110,112110,
 121619]