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A128672 as a simple table

na(n)
120
242
3100
4110
5156
6272
7294
8342
9500
10506
11812
12930
131210
141332
151640
161806
172028
182058
192162
202500
212756
223422
233660
244422
254624
264970
275256
286162
296498
306806
317832
329312
3310100
3410506
3511026
3611342
3711638
3811772
3912500
4012656
4113310
4214406
4316002
4417030

[20,42,100,110,156,272,294,342,500,506,812,930,
 1210,1332,1640,1806,2028,2058,2162,2500,2756,3422,
 3660,4422,4624,4970,5256,6162,6498,6806,7832,9312,
 10100,10506,11026,11342,11638,11772,12500,12656,
 13310,14406,16002,17030]