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A062025 as a simple table

na(n)
00
11
215
355
4134
5265
6461
7735
81100
91569
102155
112871
123730
134745
145929
157295
168856
1710625
1812615
1914839
2017310
2120041
2223045
2326335
2429924
2533825
2638051
2742615
2847530
2952809
3058465
3164511
3270960
3377825
3485119
3592855
36101046
37109705

[0,1,15,55,134,265,461,735,1100,1569,2155,2871,
 3730,4745,5929,7295,8856,10625,12615,14839,17310,
 20041,23045,26335,29924,33825,38051,42615,47530,
 52809,58465,64511,70960,77825,85119,92855,101046,
 109705]