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A245921 as a simple table

na(n)
00
12
25
37
415
520
628
736
841
954
1075
1196
12109
13130
14143
15164
16185
17198
18219
19240
20253
21274
22308
23329
24363
25397
26418
27452
28473
29507
30541
31562
32596
33617
34651
35685
36706
37740
38774
39795
40829
41850
42884
43918
44973
451007
461062
471117
481151
491206
501261
511295
521350

[0,2,5,7,15,20,28,36,41,54,75,96,109,130,143,164,
 185,198,219,240,253,274,308,329,363,397,418,452,
 473,507,541,562,596,617,651,685,706,740,774,795,
 829,850,884,918,973,1007,1062,1117,1151,1206,1261,
 1295,1350]