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A099353 as a simple table

na(n)
00
12
27
312
418
525
635
745
856
968
1083
1198
12114
13131
14149
15170
16191
17213
18236
19260
20285
21313
22341
23370
24400
25431
26463
27496
28530
29565
30603
31641
32680
33720
34761
35803
36846
37890
38935
39983
401031
411080
421130
431181
441233
451286
461340
471395
481451
491510
501569

[0,2,7,12,18,25,35,45,56,68,83,98,114,131,149,170,
 191,213,236,260,285,313,341,370,400,431,463,496,
 530,565,603,641,680,720,761,803,846,890,935,983,
 1031,1080,1130,1181,1233,1286,1340,1395,1451,1510,
 1569]