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A267370 as a simple table

na(n)
00
16
221
348
490
5150
6231
7336
8468
9630
10825
111056
121326
131638
141995
152400
162856
173366
183933
194560
205250
216006
226831
237728
248700
259750
2610881
2712096
2813398
2914790
3016275
3117856
3219536
3321318
3423205
3525200
3627306
3729526
3831863
3934320
4036900
4139606
4242441
4345408
4448510

[0,6,21,48,90,150,231,336,468,630,825,1056,1326,
 1638,1995,2400,2856,3366,3933,4560,5250,6006,6831,
 7728,8700,9750,10881,12096,13398,14790,16275,
 17856,19536,21318,23205,25200,27306,29526,31863,
 34320,36900,39606,42441,45408,48510]