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A025296 as a simple table

na(n)
15525
28125
38450
49425
510625
611050
712025
812325
913325
1014365
1114450
1215725
1316250
1417225
1517425
1618125
1718785
1818850
1919825
2021125
2121250
2222100
2322525
2423125
2523725
2624050
2724505
2824650
2925625
3025925
3126650
3226825
3327625
3428730
3528925
3629725

[5525,8125,8450,9425,10625,11050,12025,12325,
 13325,14365,14450,15725,16250,17225,17425,18125,
 18785,18850,19825,21125,21250,22100,22525,23125,
 23725,24050,24505,24650,25625,25925,26650,26825,
 27625,28730,28925,29725]