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A109512 as a simple table

na(n)
00
11
23
36
49
513
617
722
827
932
1038
1144
1250
1357
1464
1571
1678
1786
1894
19102
20110
21119
22128
23137
24146
25156
26166
27176
28186
29196
30207
31218
32229
33240
34251
35263
36275
37287
38299
39311
40324
41337
42350
43363
44376
45389
46403
47417
48431
49445
50459
51473
52488
53503
54518
55533
56548

[0,1,3,6,9,13,17,22,27,32,38,44,50,57,64,71,78,86,
 94,102,110,119,128,137,146,156,166,176,186,196,
 207,218,229,240,251,263,275,287,299,311,324,337,
 350,363,376,389,403,417,431,445,459,473,488,503,
 518,533,548]