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A179189 as a simple table

na(n)
15
27
321
445
575
6105
7285
8488
9585
10765
111148
121275
131358
141785
152528
163465
174088
186825
199405
2012375
2114348
2215345
2316208
2416988
2523648
2625905
2725935
2842698
2950018
3052845
3154615
3261448
3362865
3468445
3578195
3680025
3782005
3888328
3993555
4098475

[5,7,21,45,75,105,285,488,585,765,1148,1275,1358,
 1785,2528,3465,4088,6825,9405,12375,14348,15345,
 16208,16988,23648,25905,25935,42698,50018,52845,
 54615,61448,62865,68445,78195,80025,82005,88328,
 93555,98475]