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A121577 as a simple table

na(n)
00
1502
21004
31506
42008
52510
63013
73515
84017
94519
105021
115523
1210025
1310527
1411029
1511531
1612034
1712536
1813038
1913540
2014042
2114544
2215046
2315548
2420050
2520552
2621055
2721557
2822059
2922601
3023103
3123605
3224107
3324609
3425111
3525613

[0,502,1004,1506,2008,2510,3013,3515,4017,4519,
 5021,5523,10025,10527,11029,11531,12034,12536,
 13038,13540,14042,14544,15046,15548,20050,20552,
 21055,21557,22059,22601,23103,23605,24107,24609,
 25111,25613]