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A273272 as a simple table

na(n)
01
15
226
355
4127
5211
6352
7520
8780
91069
101438
111822
122350
132914
143598
154326
165274
176250
187414
198646
2010058
2111474
2213071
2314776
2416840
2518953
2621314
2723630
2826318
2929094
3032107
3135096
3238588
3342181
3446050
3550167
3654620
3759104
3863897
3968766
4074095
4179611

[1,5,26,55,127,211,352,520,780,1069,1438,1822,
 2350,2914,3598,4326,5274,6250,7414,8646,10058,
 11474,13071,14776,16840,18953,21314,23630,26318,
 29094,32107,35096,38588,42181,46050,50167,54620,
 59104,63897,68766,74095,79611]