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A294286 as a simple table

na(n)
10
20
35
410
530
646
791
8124
9204
10260
11385
12470
13650
14770
151015
161176
171496
181704
192109
202370
212870
223190
233795
244180
254900
265356
276201
286734
297714
308330
319455
3210160
3311440
3412240
3513685
3614586
3716206
3817214
3919019
4020140
4122140
4223380
4325585
4426950
4529370

[0,0,5,10,30,46,91,124,204,260,385,470,650,770,
 1015,1176,1496,1704,2109,2370,2870,3190,3795,4180,
 4900,5356,6201,6734,7714,8330,9455,10160,11440,
 12240,13685,14586,16206,17214,19019,20140,22140,
 23380,25585,26950,29370]