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A335555 as a simple table

na(n)
15
220
320
4105
5265
6160
7555
8575
9650
10965
111415
121085
131965
142050
152170
162680
173445
182410
194275
204370
214620
225315
236355
245605
257495
267625
277910
288870
2910175
309125
3111645
3211740
3312120
3413290
3514905
3612960
3716575
3816815
3917240
4018565
4120535
4219025
4322485

[5,20,20,105,265,160,555,575,650,965,1415,1085,
 1965,2050,2170,2680,3445,2410,4275,4370,4620,5315,
 6355,5605,7495,7625,7910,8870,10175,9125,11645,
 11740,12120,13290,14905,12960,16575,16815,17240,
 18565,20535,19025,22485]