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A030978 as a simple table

na(n)
00
11
24
35
48
513
618
725
832
941
1050
1161
1272
1385
1498
15113
16128
17145
18162
19181
20200
21221
22242
23265
24288
25313
26338
27365
28392
29421
30450
31481
32512
33545
34578
35613
36648
37685
38722
39761
40800
41841
42882
43925
44968
451013
461058
471105
481152
491201
501250
511301
521352
531405

[0,1,4,5,8,13,18,25,32,41,50,61,72,85,98,113,128,
 145,162,181,200,221,242,265,288,313,338,365,392,
 421,450,481,512,545,578,613,648,685,722,761,800,
 841,882,925,968,1013,1058,1105,1152,1201,1250,
 1301,1352,1405]