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A082450 as a simple table

na(n)
05
15
210
320
435
555
680
7110
8145
9185
10230
11280
12335
13395
14460
15530
16605
17685
18770
19860
20955
211055
221160
231270
241385
251505
261630
271760
281895
292035
302180
312330
322485
332645
342810
352980
363155
373335
383520
393710
403905
414105
424310
434520
444735
454955
465180
475410
485645

[5,5,10,20,35,55,80,110,145,185,230,280,335,395,
 460,530,605,685,770,860,955,1055,1160,1270,1385,
 1505,1630,1760,1895,2035,2180,2330,2485,2645,2810,
 2980,3155,3335,3520,3710,3905,4105,4310,4520,4735,
 4955,5180,5410,5645]