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A294473 as a simple table

na(n)
10
20
310
420
560
692
7182
8248
9408
10520
11770
12940
131300
141540
152030
162352
172992
183408
194218
204740
215740
226380
237590
248360
259800
2610712
2712402
2813468
2915428
3016660
3118910
3220320
3322880
3424480
3527370
3629172
3732412
3834428
3938038
4040280
4144280
4246760
4351170

[0,0,10,20,60,92,182,248,408,520,770,940,1300,
 1540,2030,2352,2992,3408,4218,4740,5740,6380,7590,
 8360,9800,10712,12402,13468,15428,16660,18910,
 20320,22880,24480,27370,29172,32412,34428,38038,
 40280,44280,46760,51170]